22042716 has 24 divisors (see below), whose sum is σ = 52277904. Its totient is φ = 7226880.

The previous prime is 22042711. The next prime is 22042739. The reversal of 22042716 is 61724022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22042711) 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, 14325 + ... + 15788.

It is an arithmetic number, because the mean of its divisors is an integer number (2178246).

Almost surely, 2^22042716 is an apocalyptic number.

It is an amenable number.

22042716 is an abundant number, since it is smaller than the sum of its proper divisors (30235188).

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

22042716 is a wasteful number, since it uses less digits than its factorization.

22042716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30181 (or 30179 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 22042716 is about 4694.9670925364. The cubic root of 22042716 is about 280.3851672011.

Adding to 22042716 its reverse (61724022), we get a palindrome (83766738).

The spelling of 22042716 in words is "twenty-two million, forty-two thousand, seven hundred sixteen".