22929722 has 4 divisors (see below), whose sum is σ = 34394586. Its totient is φ = 11464860.

The previous prime is 22929703. The next prime is 22929743. The reversal of 22929722 is 22792922.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 22762441 + 167281 = 4771^2 + 409^2 .

It is a plaindrome in base 13.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5732429 + ... + 5732432.

Almost surely, 2^22929722 is an apocalyptic number.

22929722 is a deficient number, since it is larger than the sum of its proper divisors (11464864).

22929722 is a wasteful number, since it uses less digits than its factorization.

22929722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11464863.

The product of its digits is 18144, while the sum is 35.

The square root of 22929722 is about 4788.4989297274. The cubic root of 22929722 is about 284.0967484302.

The spelling of 22929722 in words is "twenty-two million, nine hundred twenty-nine thousand, seven hundred twenty-two".