22338284 has 12 divisors (see below), whose sum is σ = 39400704. Its totient is φ = 11080944.

The previous prime is 22338223. The next prime is 22338287. The reversal of 22338284 is 48283322.

It is a self number, because there is not a number n which added to its sum of digits gives 22338284.

It is not an unprimeable number, because it can be changed into a prime (22338287) 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, 21479 + ... + 22494.

It is an arithmetic number, because the mean of its divisors is an integer number (3283392).

Almost surely, 2^22338284 is an apocalyptic number.

It is an amenable number.

22338284 is a deficient number, since it is larger than the sum of its proper divisors (17062420).

22338284 is a wasteful number, since it uses less digits than its factorization.

22338284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44104 (or 44102 counting only the distinct ones).

The product of its digits is 18432, while the sum is 32.

The square root of 22338284 is about 4726.3393868828. The cubic root of 22338284 is about 281.6328236048.

It can be divided in two parts, 22338 and 284, that added together give a palindrome (22622).

The spelling of 22338284 in words is "twenty-two million, three hundred thirty-eight thousand, two hundred eighty-four".