42622292 has 6 divisors (see below), whose sum is σ = 74589018. Its totient is φ = 21311144.

The previous prime is 42622271. The next prime is 42622297. The reversal of 42622292 is 29222624.

It can be written as a sum of positive squares in only one way, i.e., 42432196 + 190096 = 6514^2 + 436^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42622297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5327783 + ... + 5327790.

It is an arithmetic number, because the mean of its divisors is an integer number (12431503).

Almost surely, 2^42622292 is an apocalyptic number.

It is an amenable number.

42622292 is a deficient number, since it is larger than the sum of its proper divisors (31966726).

42622292 is a wasteful number, since it uses less digits than its factorization.

42622292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10655577 (or 10655575 counting only the distinct ones).

The product of its digits is 6912, while the sum is 29.

The square root of 42622292 is about 6528.5750359477. The cubic root of 42622292 is about 349.3110037427.

The spelling of 42622292 in words is "forty-two million, six hundred twenty-two thousand, two hundred ninety-two".