42622542 has 24 divisors (see below), whose sum is σ = 96364944. Its totient is φ = 13589664.

The previous prime is 42622513. The next prime is 42622549. The reversal of 42622542 is 24522624.

It is a happy number.

42622542 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42622549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51063 + ... + 51890.

It is an arithmetic number, because the mean of its divisors is an integer number (4015206).

Almost surely, 2^42622542 is an apocalyptic number.

42622542 is an abundant number, since it is smaller than the sum of its proper divisors (53742402).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42622542 is a wasteful number, since it uses less digits than its factorization.

42622542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102984 (or 102981 counting only the distinct ones).

The product of its digits is 7680, while the sum is 27.

The square root of 42622542 is about 6528.5941825174. The cubic root of 42622542 is about 349.3116866997.

The spelling of 42622542 in words is "forty-two million, six hundred twenty-two thousand, five hundred forty-two".