43422057 has 24 divisors (see below), whose sum is σ = 72862400. Its totient is φ = 24403680.

The previous prime is 43422047. The next prime is 43422061. The reversal of 43422057 is 75022434.

43422057 is a `hidden beast` number, since 434 + 220 + 5 + 7 = 666.

It is not a de Polignac number, because 43422057 - 2¹² = 43417961 is a prime.

It is a super-2 number, since 2×43422057² = 3770950068222498, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 43422057.

It is not an unprimeable number, because it can be changed into a prime (43422007) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1807 + ... + 9492.

Almost surely, 2^43422057 is an apocalyptic number.

It is an amenable number.

43422057 is a deficient number, since it is larger than the sum of its proper divisors (29440343).

43422057 is a wasteful number, since it uses less digits than its factorization.

43422057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11373 (or 11370 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

The square root of 43422057 is about 6589.5414863251. The cubic root of 43422057 is about 351.4823038290.

The spelling of 43422057 in words is "forty-three million, four hundred twenty-two thousand, fifty-seven".