42622228 has 24 divisors (see below), whose sum is σ = 84178080. Its totient is φ = 18705120.

The previous prime is 42622171. The next prime is 42622231. The reversal of 42622228 is 82222624.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 42622196 and 42622205.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15426 + ... + 17977.

It is an arithmetic number, because the mean of its divisors is an integer number (3507420).

Almost surely, 2^42622228 is an apocalyptic number.

It is an amenable number.

42622228 is a deficient number, since it is larger than the sum of its proper divisors (41555852).

42622228 is a wasteful number, since it uses less digits than its factorization.

42622228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33447 (or 33445 counting only the distinct ones).

The product of its digits is 6144, while the sum is 28.

The square root of 42622228 is about 6528.5701344169. The cubic root of 42622228 is about 349.3108289053.

The spelling of 42622228 in words is "forty-two million, six hundred twenty-two thousand, two hundred twenty-eight".