22211264 has 14 divisors (see below), whose sum is σ = 44075604. Its totient is φ = 11105600.

The previous prime is 22211251. The next prime is 22211279. The reversal of 22211264 is 46211222.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 173462 + ... + 173589.

Almost surely, 2^22211264 is an apocalyptic number.

It is an amenable number.

22211264 is a deficient number, since it is larger than the sum of its proper divisors (21864340).

22211264 is an equidigital number, since it uses as much as digits as its factorization.

22211264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347063 (or 347053 counting only the distinct ones).

The product of its digits is 384, while the sum is 20.

The square root of 22211264 is about 4712.8827696008. The cubic root of 22211264 is about 281.0980015562.

Adding to 22211264 its reverse (46211222), we get a palindrome (68422486).

The spelling of 22211264 in words is "twenty-two million, two hundred eleven thousand, two hundred sixty-four".