22364722 has 8 divisors (see below), whose sum is σ = 33732972. Its totient is φ = 11120400.

The previous prime is 22364711. The next prime is 22364723. The reversal of 22364722 is 22746322.

It can be written as a sum of positive squares in 2 ways, for example, as 13549761 + 8814961 = 3681^2 + 2969^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (22364723) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30529 + ... + 31252.

Almost surely, 2^22364722 is an apocalyptic number.

22364722 is a deficient number, since it is larger than the sum of its proper divisors (11368250).

22364722 is a wasteful number, since it uses less digits than its factorization.

22364722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61964.

The product of its digits is 8064, while the sum is 28.

The square root of 22364722 is about 4729.1354389571. The cubic root of 22364722 is about 281.7438866432.

The spelling of 22364722 in words is "twenty-two million, three hundred sixty-four thousand, seven hundred twenty-two".