22739322 has 32 divisors (see below), whose sum is σ = 46569600. Its totient is φ = 7400448.

The previous prime is 22739317. The next prime is 22739323. The reversal of 22739322 is 22393722.

It is a self number, because there is not a number n which added to its sum of digits gives 22739322.

It is not an unprimeable number, because it can be changed into a prime (22739323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51579 + ... + 52017.

It is an arithmetic number, because the mean of its divisors is an integer number (1455300).

Almost surely, 2^22739322 is an apocalyptic number.

22739322 is an abundant number, since it is smaller than the sum of its proper divisors (23830278).

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

22739322 is a wasteful number, since it uses less digits than its factorization.

22739322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 630.

The product of its digits is 9072, while the sum is 30.

The square root of 22739322 is about 4768.5765171590. The cubic root of 22739322 is about 283.3082167663.

The spelling of 22739322 in words is "twenty-two million, seven hundred thirty-nine thousand, three hundred twenty-two".