42322072 has 32 divisors (see below), whose sum is σ = 85765680. Its totient is φ = 19463040.

The previous prime is 42322069. The next prime is 42322079. The reversal of 42322072 is 27022324.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42322079) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38247 + ... + 39337.

Almost surely, 2^42322072 is an apocalyptic number.

It is an amenable number.

42322072 is an abundant number, since it is smaller than the sum of its proper divisors (43443608).

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

42322072 is a wasteful number, since it uses less digits than its factorization.

42322072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1483 (or 1479 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 22.

The square root of 42322072 is about 6505.5416377117. The cubic root of 42322072 is about 348.4889195044.

Adding to 42322072 its reverse (27022324), we get a palindrome (69344396).

The spelling of 42322072 in words is "forty-two million, three hundred twenty-two thousand, seventy-two".