42322216 has 8 divisors (see below), whose sum is σ = 79354170. Its totient is φ = 21161104.

The previous prime is 42322213. The next prime is 42322219. The reversal of 42322216 is 61222324.

It is an interprime number because it is at equal distance from previous prime (42322213) and next prime (42322219).

It can be written as a sum of positive squares in only one way, i.e., 34222500 + 8099716 = 5850^2 + 2846^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (42322213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2645131 + ... + 2645146.

Almost surely, 2^42322216 is an apocalyptic number.

It is an amenable number.

42322216 is a deficient number, since it is larger than the sum of its proper divisors (37031954).

42322216 is a wasteful number, since it uses less digits than its factorization.

42322216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5290283 (or 5290279 counting only the distinct ones).

The product of its digits is 1152, while the sum is 22.

The square root of 42322216 is about 6505.5527051896. The cubic root of 42322216 is about 348.4893147461.

The spelling of 42322216 in words is "forty-two million, three hundred twenty-two thousand, two hundred sixteen".