1056156522 has 16 divisors (see below), whose sum is σ = 2148115680. Its totient is φ = 346085072.

The previous prime is 1056156509. The next prime is 1056156557. The reversal of 1056156522 is 2256516501.

It is a super-2 number, since 2×1056156522² = 2230933197926272968, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1491393 + ... + 1492100.

It is an arithmetic number, because the mean of its divisors is an integer number (134257230).

Almost surely, 2^1056156522 is an apocalyptic number.

1056156522 is an abundant number, since it is smaller than the sum of its proper divisors (1091959158).

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

1056156522 is a wasteful number, since it uses less digits than its factorization.

1056156522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2983557.

The product of its (nonzero) digits is 18000, while the sum is 33.

The square root of 1056156522 is about 32498.5618451032. The cubic root of 1056156522 is about 1018.3789842117.

The spelling of 1056156522 in words is "one billion, fifty-six million, one hundred fifty-six thousand, five hundred twenty-two".