22372256 has 12 divisors (see below), whose sum is σ = 44045442. Its totient is φ = 11186112.

The previous prime is 22372249. The next prime is 22372267. The reversal of 22372256 is 65227322.

It can be written as a sum of positive squares in only one way, i.e., 19536400 + 2835856 = 4420^2 + 1684^2 .

It is a zygodrome in base 4.

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 as a sum of consecutive naturals, namely, 349535 + ... + 349598.

Almost surely, 2^22372256 is an apocalyptic number.

It is an amenable number.

22372256 is a deficient number, since it is larger than the sum of its proper divisors (21673186).

22372256 is an equidigital number, since it uses as much as digits as its factorization.

22372256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 699143 (or 699135 counting only the distinct ones).

The product of its digits is 10080, while the sum is 29.

The square root of 22372256 is about 4729.9319234002. The cubic root of 22372256 is about 281.7755200960.

Adding to 22372256 its reverse (65227322), we get a palindrome (87599578).

The spelling of 22372256 in words is "twenty-two million, three hundred seventy-two thousand, two hundred fifty-six".