1056522156 has 12 divisors (see below), whose sum is σ = 2465218392. Its totient is φ = 352174048.

The previous prime is 1056522133. The next prime is 1056522167. The reversal of 1056522156 is 6512256501.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×1056522156² = 2232478132237776672, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44021745 + ... + 44021768.

It is an arithmetic number, because the mean of its divisors is an integer number (205434866).

Almost surely, 2^1056522156 is an apocalyptic number.

It is an amenable number.

1056522156 is an abundant number, since it is smaller than the sum of its proper divisors (1408696236).

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

1056522156 is a wasteful number, since it uses less digits than its factorization.

1056522156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88043520 (or 88043518 counting only the distinct ones).

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

The square root of 1056522156 is about 32504.1867457102. The cubic root of 1056522156 is about 1018.4964892131.

Adding to 1056522156 its reverse (6512256501), we get a palindrome (7568778657).

The spelling of 1056522156 in words is "one billion, fifty-six million, five hundred twenty-two thousand, one hundred fifty-six".