22048664 has 32 divisors (see below), whose sum is σ = 47476800. Its totient is φ = 9493920.

The previous prime is 22048661. The next prime is 22048669. The reversal of 22048664 is 46684022.

It is a happy number.

It is a super-2 number, since 2×22048664² = 972287168369792, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22048664.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22048661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4922 + ... + 8265.

It is an arithmetic number, because the mean of its divisors is an integer number (1483650).

Almost surely, 2^22048664 is an apocalyptic number.

It is an amenable number.

22048664 is an abundant number, since it is smaller than the sum of its proper divisors (25428136).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22048664 is a wasteful number, since it uses less digits than its factorization.

22048664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13223 (or 13219 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 32.

The square root of 22048664 is about 4695.6004940795. The cubic root of 22048664 is about 280.4103846167.

It can be divided in two parts, 220 and 48664, that added together give a palindrome (48884).

The spelling of 22048664 in words is "twenty-two million, forty-eight thousand, six hundred sixty-four".