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1222542060 = 2235156713003
BaseRepresentation
bin100100011011110…
…1000001011101100
310011012102120102120
41020313220023230
510000432321220
6321151152540
742203302365
oct11067501354
93135376376
101222542060
11578102a43
122a1515750
1316638798c
14b851ab6c
15724dea40
hex48de82ec

1222542060 has 48 divisors (see below), whose sum is σ = 3425565696. Its totient is φ = 325778112.

The previous prime is 1222542031. The next prime is 1222542091. The reversal of 1222542060 is 602452221.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1222542060.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87519 + ... + 100521.

It is an arithmetic number, because the mean of its divisors is an integer number (71365952).

Almost surely, 21222542060 is an apocalyptic number.

1222542060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1222542060 is an abundant number, since it is smaller than the sum of its proper divisors (2203023636).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1222542060 is a wasteful number, since it uses less digits than its factorization.

1222542060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14582 (or 14580 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 1222542060 is about 34964.8689401233. The cubic root of 1222542060 is about 1069.2713646512.

Adding to 1222542060 its reverse (602452221), we get a palindrome (1824994281).

It can be divided in two parts, 12225 and 42060, that added together give a triangular number (54285 = T329).

The spelling of 1222542060 in words is "one billion, two hundred twenty-two million, five hundred forty-two thousand, sixty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 1567 3134 4701 6268 7835 9402 13003 15670 18804 23505 26006 31340 39009 47010 52012 65015 78018 94020 130030 156036 195045 260060 390090 780180 20375701 40751402 61127103 81502804 101878505 122254206 203757010 244508412 305635515 407514020 611271030 1222542060