42322912 has 12 divisors (see below), whose sum is σ = 83323296. Its totient is φ = 21161440.

The previous prime is 42322909. The next prime is 42322913. The reversal of 42322912 is 21922324.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42322913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 661264 + ... + 661327.

It is an arithmetic number, because the mean of its divisors is an integer number (6943608).

Almost surely, 2^42322912 is an apocalyptic number.

It is an amenable number.

42322912 is a deficient number, since it is larger than the sum of its proper divisors (41000384).

42322912 is a wasteful number, since it uses less digits than its factorization.

42322912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1322601 (or 1322593 counting only the distinct ones).

The product of its digits is 1728, while the sum is 25.

The square root of 42322912 is about 6505.6061977344. The cubic root of 42322912 is about 348.4912250686.

It can be divided in two parts, 42322 and 912, that added together give a palindrome (43234).

The spelling of 42322912 in words is "forty-two million, three hundred twenty-two thousand, nine hundred twelve".