22282730 has 16 divisors (see below), whose sum is σ = 41492520. Its totient is φ = 8605632.

The previous prime is 22282727. The next prime is 22282781. The reversal of 22282730 is 3728222.

It can be written as a sum of positive squares in 4 ways, for example, as 17698849 + 4583881 = 4207^2 + 2141^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22282730.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38129 + ... + 38708.

Almost surely, 2^22282730 is an apocalyptic number.

22282730 is a deficient number, since it is larger than the sum of its proper divisors (19209790).

22282730 is a wasteful number, since it uses less digits than its factorization.

22282730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76873.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 22282730 is about 4720.4586641554. The cubic root of 22282730 is about 281.3991617007.

The spelling of 22282730 in words is "twenty-two million, two hundred eighty-two thousand, seven hundred thirty".