22367764 has 6 divisors (see below), whose sum is σ = 39143594. Its totient is φ = 11183880.

The previous prime is 22367743. The next prime is 22367773. The reversal of 22367764 is 46776322.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 22165264 + 202500 = 4708^2 + 450^2 .

It is a congruent 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, 2795967 + ... + 2795974.

Almost surely, 2^22367764 is an apocalyptic number.

It is an amenable number.

22367764 is a deficient number, since it is larger than the sum of its proper divisors (16775830).

22367764 is a wasteful number, since it uses less digits than its factorization.

22367764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5591945 (or 5591943 counting only the distinct ones).

The product of its digits is 84672, while the sum is 37.

The square root of 22367764 is about 4729.4570512903. The cubic root of 22367764 is about 281.7566601241.

It can be divided in two parts, 2236 and 7764, that added together give a 4-th power (10000 = 10⁴).

The spelling of 22367764 in words is "twenty-two million, three hundred sixty-seven thousand, seven hundred sixty-four".