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1222227632380 = 225193316639283
BaseRepresentation
bin10001110010010010011…
…100011010000011111100
311022211210010220211101011
4101302102130122003330
5130011110233214010
62333252243525004
7154205640313666
oct21622234320374
94284703824334
101222227632380
114313866a9307
12178a61689764
138b34264a3c1
1443228601536
1521bd62d0a8a
hex11c9271a0fc

1222227632380 has 24 divisors (see below), whose sum is σ = 2579976886032. Its totient is φ = 486357937152.

The previous prime is 1222227632369. The next prime is 1222227632429. The reversal of 1222227632380 is 832367222221.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158315782 + ... + 158323501.

It is an arithmetic number, because the mean of its divisors is an integer number (107499036918).

Almost surely, 21222227632380 is an apocalyptic number.

1222227632380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1222227632380 is an abundant number, since it is smaller than the sum of its proper divisors (1357749253652).

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

1222227632380 is a wasteful number, since it uses less digits than its factorization.

1222227632380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316639485 (or 316639483 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 40.

The spelling of 1222227632380 in words is "one trillion, two hundred twenty-two billion, two hundred twenty-seven million, six hundred thirty-two thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 193 386 772 965 1930 3860 316639283 633278566 1266557132 1583196415 3166392830 6332785660 61111381619 122222763238 244445526476 305556908095 611113816190 1222227632380