1057226220 has 36 divisors (see below), whose sum is σ = 3206920080. Its totient is φ = 281926944.

The previous prime is 1057226179. The next prime is 1057226231. The reversal of 1057226220 is 226227501.

1057226220 is a `hidden beast` number, since 10 + 5 + 7 + 22 + 622 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×1057226220² = 2235454560510976800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2936560 + ... + 2936919.

Almost surely, 2^1057226220 is an apocalyptic number.

1057226220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1057226220 is an abundant number, since it is smaller than the sum of its proper divisors (2149693860).

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

1057226220 is a wasteful number, since it uses less digits than its factorization.

1057226220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5873494 (or 5873489 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 1057226220 is about 32515.0153006269. The cubic root of 1057226220 is about 1018.7226802364.

The spelling of 1057226220 in words is "one billion, fifty-seven million, two hundred twenty-six thousand, two hundred twenty".