22316738 has 8 divisors (see below), whose sum is σ = 33583680. Its totient is φ = 11122180.

The previous prime is 22316729. The next prime is 22316741. The reversal of 22316738 is 83761322.

It is a happy number.

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

It is a super-3 number, since 3×22316738³ (a number of 23 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17318 + ... + 18561.

It is an arithmetic number, because the mean of its divisors is an integer number (4197960).

Almost surely, 2^22316738 is an apocalyptic number.

22316738 is a deficient number, since it is larger than the sum of its proper divisors (11266942).

22316738 is a wasteful number, since it uses less digits than its factorization.

22316738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36192.

The product of its digits is 12096, while the sum is 32.

The square root of 22316738 is about 4724.0594831141. The cubic root of 22316738 is about 281.5422464771.

It can be divided in two parts, 223 and 16738, that added together give a palindrome (16961).

The spelling of 22316738 in words is "twenty-two million, three hundred sixteen thousand, seven hundred thirty-eight".