22427316 has 36 divisors (see below), whose sum is σ = 57657600. Its totient is φ = 7348368.

The previous prime is 22427303. The next prime is 22427329. The reversal of 22427316 is 61372422.

It is an interprime number because it is at equal distance from previous prime (22427303) and next prime (22427329).

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 22427316.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3156 + ... + 7403.

It is an arithmetic number, because the mean of its divisors is an integer number (1601600).

Almost surely, 2^22427316 is an apocalyptic number.

It is an amenable number.

22427316 is an abundant number, since it is smaller than the sum of its proper divisors (35230284).

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

22427316 is a wasteful number, since it uses less digits than its factorization.

22427316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10628 (or 10623 counting only the distinct ones).

The product of its digits is 4032, while the sum is 27.

The square root of 22427316 is about 4735.7487264423. The cubic root of 22427316 is about 282.0064884579.

Adding to 22427316 its reverse (61372422), we get a palindrome (83799738).

The spelling of 22427316 in words is "twenty-two million, four hundred twenty-seven thousand, three hundred sixteen".