42542622 has 24 divisors (see below), whose sum is σ = 92319240. Its totient is φ = 14158800.

The previous prime is 42542573. The next prime is 42542641. The reversal of 42542622 is 22624524.

It is a happy number.

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 11 ways as a sum of consecutive naturals, for example, 13497 + ... + 16347.

It is an arithmetic number, because the mean of its divisors is an integer number (3846635).

Almost surely, 2^42542622 is an apocalyptic number.

42542622 is an abundant number, since it is smaller than the sum of its proper divisors (49776618).

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

42542622 is a wasteful number, since it uses less digits than its factorization.

42542622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3688 (or 3685 counting only the distinct ones).

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

The square root of 42542622 is about 6522.4705442033. The cubic root of 42542622 is about 349.0932228259.

The spelling of 42542622 in words is "forty-two million, five hundred forty-two thousand, six hundred twenty-two".