22495564 has 48 divisors (see below), whose sum is σ = 50577408. Its totient is φ = 8509248.

The previous prime is 22495549. The next prime is 22495589. The reversal of 22495564 is 46559422.

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 in 15 ways as a sum of consecutive naturals, for example, 7029 + ... + 9715.

It is an arithmetic number, because the mean of its divisors is an integer number (1053696).

Almost surely, 2^22495564 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22495564, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25288704).

22495564 is an abundant number, since it is smaller than the sum of its proper divisors (28081844).

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

22495564 is a wasteful number, since it uses less digits than its factorization.

22495564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2734 (or 2732 counting only the distinct ones).

The product of its digits is 86400, while the sum is 37.

The square root of 22495564 is about 4742.9488717464. The cubic root of 22495564 is about 282.2922543968.

The spelling of 22495564 in words is "twenty-two million, four hundred ninety-five thousand, five hundred sixty-four".