1056222412613 has 4 divisors (see below), whose sum is σ = 1056699695628. Its totient is φ = 1055745129600.

The previous prime is 1056222412591. The next prime is 1056222412633. The reversal of 1056222412613 is 3162142226501.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 790706873089 + 265515539524 = 889217^2 + 515282^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1056222412613 is a prime.

It is a super-2 number, since 2×1056222412613² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1056222412633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 238638188 + ... + 238642613.

It is an arithmetic number, because the mean of its divisors is an integer number (264174923907).

Almost surely, 2^{1056222412613} is an apocalyptic number.

It is an amenable number.

1056222412613 is a deficient number, since it is larger than the sum of its proper divisors (477283015).

1056222412613 is an equidigital number, since it uses as much as digits as its factorization.

1056222412613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477283014.

The product of its (nonzero) digits is 34560, while the sum is 35.

The spelling of 1056222412613 in words is "one trillion, fifty-six billion, two hundred twenty-two million, four hundred twelve thousand, six hundred thirteen".