22366544 has 10 divisors (see below), whose sum is σ = 43335210. Its totient is φ = 11183264.

The previous prime is 22366541. The next prime is 22366567. The reversal of 22366544 is 44566322.

It can be written as a sum of positive squares in only one way, i.e., 18318400 + 4048144 = 4280^2 + 2012^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22366544.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22366541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 698939 + ... + 698970.

It is an arithmetic number, because the mean of its divisors is an integer number (4333521).

Almost surely, 2^22366544 is an apocalyptic number.

It is an amenable number.

22366544 is a deficient number, since it is larger than the sum of its proper divisors (20968666).

22366544 is a wasteful number, since it uses less digits than its factorization.

22366544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1397917 (or 1397911 counting only the distinct ones).

The product of its digits is 34560, while the sum is 32.

The square root of 22366544 is about 4729.3280706671. The cubic root of 22366544 is about 281.7515374339.

The spelling of 22366544 in words is "twenty-two million, three hundred sixty-six thousand, five hundred forty-four".