42622577 has 4 divisors (see below), whose sum is σ = 42656496. Its totient is φ = 42588660.

The previous prime is 42622549. The next prime is 42622579. The reversal of 42622577 is 77522624.

42622577 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42622577 - 2⁶ = 42622513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42622579) 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 3 ways as a sum of consecutive naturals, for example, 14999 + ... + 17612.

It is an arithmetic number, because the mean of its divisors is an integer number (10664124).

Almost surely, 2^42622577 is an apocalyptic number.

It is an amenable number.

42622577 is a deficient number, since it is larger than the sum of its proper divisors (33919).

42622577 is a wasteful number, since it uses less digits than its factorization.

42622577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33918.

The product of its digits is 47040, while the sum is 35.

The square root of 42622577 is about 6528.5968630327. The cubic root of 42622577 is about 349.3117823135.

The spelling of 42622577 in words is "forty-two million, six hundred twenty-two thousand, five hundred seventy-seven".