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1222001341 = 11487228113
BaseRepresentation
bin100100011010110…
…0100001010111101
310011011102002200221
41020311210022331
510000313020331
6321131421341
742165561061
oct11065441275
93134362627
101222001341
11577873770
122a12b4851
13166228822
14b8419aa1
1572434711
hex48d642bd

1222001341 has 8 divisors (see below), whose sum is σ = 1335835584. Its totient is φ = 1108624320.

The previous prime is 1222001267. The next prime is 1222001371. The reversal of 1222001341 is 1431002221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1222001341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222001371) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108700 + ... + 119413.

It is an arithmetic number, because the mean of its divisors is an integer number (166979448).

Almost surely, 21222001341 is an apocalyptic number.

1222001341 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1222001341 is a deficient number, since it is larger than the sum of its proper divisors (113834243).

1222001341 is a wasteful number, since it uses less digits than its factorization.

1222001341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228611.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1222001341 is about 34957.1357665356. The cubic root of 1222001341 is about 1069.1136984725.

Adding to 1222001341 its reverse (1431002221), we get a palindrome (2653003562).

The spelling of 1222001341 in words is "one billion, two hundred twenty-two million, one thousand, three hundred forty-one".

Divisors: 1 11 487 5357 228113 2509243 111091031 1222001341