42556322 has 8 divisors (see below), whose sum is σ = 63958572. Its totient is φ = 21236800.

The previous prime is 42556313. The next prime is 42556331. The reversal of 42556322 is 22365524.

It is an interprime number because it is at equal distance from previous prime (42556313) and next prime (42556331).

It can be written as a sum of positive squares in 2 ways, for example, as 41744521 + 811801 = 6461^2 + 901^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×42556322² = 3622081084335368, 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, 19379 + ... + 21462.

Almost surely, 2^42556322 is an apocalyptic number.

42556322 is a deficient number, since it is larger than the sum of its proper divisors (21402250).

42556322 is a wasteful number, since it uses less digits than its factorization.

42556322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41364.

The product of its digits is 14400, while the sum is 29.

The square root of 42556322 is about 6523.5206752183. The cubic root of 42556322 is about 349.1306916328.

The spelling of 42556322 in words is "forty-two million, five hundred fifty-six thousand, three hundred twenty-two".