22225568 has 12 divisors (see below), whose sum is σ = 43756650. Its totient is φ = 11112768.

The previous prime is 22225561. The next prime is 22225583. The reversal of 22225568 is 86552222.

It can be written as a sum of positive squares in only one way, i.e., 14227984 + 7997584 = 3772^2 + 2828^2 .

It is a Harshad number since it is a multiple of its sum of digits (32), and also a Moran number because the ratio is a prime number: 694549 = 22225568 / (2 + 2 + 2 + 2 + 5 + 5 + 6 + 8).

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (22225561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 347243 + ... + 347306.

Almost surely, 2^22225568 is an apocalyptic number.

It is an amenable number.

22225568 is a deficient number, since it is larger than the sum of its proper divisors (21531082).

22225568 is an equidigital number, since it uses as much as digits as its factorization.

22225568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 694559 (or 694551 counting only the distinct ones).

The product of its digits is 19200, while the sum is 32.

The square root of 22225568 is about 4714.4000678771. The cubic root of 22225568 is about 281.1583307505.

The spelling of 22225568 in words is "twenty-two million, two hundred twenty-five thousand, five hundred sixty-eight".