42622432 has 12 divisors (see below), whose sum is σ = 83912976. Its totient is φ = 21311200.

The previous prime is 42622421. The next prime is 42622439. The reversal of 42622432 is 23422624.

It is a hoax number, since the sum of its digits (25) 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 = 42622397 and 42622406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42622439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 665944 + ... + 666007.

It is an arithmetic number, because the mean of its divisors is an integer number (6992748).

Almost surely, 2^42622432 is an apocalyptic number.

It is an amenable number.

42622432 is a deficient number, since it is larger than the sum of its proper divisors (41290544).

42622432 is a wasteful number, since it uses less digits than its factorization.

42622432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1331961 (or 1331953 counting only the distinct ones).

The product of its digits is 4608, while the sum is 25.

The square root of 42622432 is about 6528.5857580337. The cubic root of 42622432 is about 349.3113861990.

The spelling of 42622432 in words is "forty-two million, six hundred twenty-two thousand, four hundred thirty-two".