42622942 has 4 divisors (see below), whose sum is σ = 63934416. Its totient is φ = 21311470.

The previous prime is 42622939. The next prime is 42622967. The reversal of 42622942 is 24922624.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10655734 + ... + 10655737.

It is an arithmetic number, because the mean of its divisors is an integer number (15983604).

Almost surely, 2^42622942 is an apocalyptic number.

42622942 is a deficient number, since it is larger than the sum of its proper divisors (21311474).

42622942 is a wasteful number, since it uses less digits than its factorization.

42622942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21311473.

The product of its digits is 13824, while the sum is 31.

The square root of 42622942 is about 6528.6248169121. The cubic root of 42622942 is about 349.3127794254.

The spelling of 42622942 in words is "forty-two million, six hundred twenty-two thousand, nine hundred forty-two".