42622856 has 8 divisors (see below), whose sum is σ = 79917870. Its totient is φ = 21311424.

The previous prime is 42622829. The next prime is 42622873. The reversal of 42622856 is 65822624.

It can be written as a sum of positive squares in only one way, i.e., 38068900 + 4553956 = 6170^2 + 2134^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2663921 + ... + 2663936.

Almost surely, 2^42622856 is an apocalyptic number.

It is an amenable number.

42622856 is a deficient number, since it is larger than the sum of its proper divisors (37295014).

42622856 is a wasteful number, since it uses less digits than its factorization.

42622856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5327863 (or 5327859 counting only the distinct ones).

The product of its digits is 46080, while the sum is 35.

The square root of 42622856 is about 6528.6182305293. The cubic root of 42622856 is about 349.3125444899.

The spelling of 42622856 in words is "forty-two million, six hundred twenty-two thousand, eight hundred fifty-six".