22763264 has 18 divisors (see below), whose sum is σ = 45438120. Its totient is φ = 11381504.

The previous prime is 22763249. The next prime is 22763267. The reversal of 22763264 is 46236722.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 22763264.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22763267) by changing a digit.

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, 44204 + ... + 44715.

It is an arithmetic number, because the mean of its divisors is an integer number (2524340).

Almost surely, 2^22763264 is an apocalyptic number.

It is an amenable number.

22763264 is a deficient number, since it is larger than the sum of its proper divisors (22674856).

22763264 is an frugal number, since it uses more digits than its factorization.

22763264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88935 (or 88921 counting only the distinct ones).

The product of its digits is 24192, while the sum is 32.

The square root of 22763264 is about 4771.0862494824. The cubic root of 22763264 is about 283.4076126665.

Adding to 22763264 its reverse (46236722), we get a palindrome (68999986).

The spelling of 22763264 in words is "twenty-two million, seven hundred sixty-three thousand, two hundred sixty-four".