22554996 has 48 divisors (see below), whose sum is σ = 55738368. Its totient is φ = 7084000.

The previous prime is 22554991. The next prime is 22554997. The reversal of 22554996 is 69945522.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22554991) 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 in 15 ways as a sum of consecutive naturals, for example, 19021 + ... + 20171.

It is an arithmetic number, because the mean of its divisors is an integer number (1161216).

Almost surely, 2^22554996 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 22554996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27869184).

22554996 is an abundant number, since it is smaller than the sum of its proper divisors (33183372).

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

22554996 is a wasteful number, since it uses less digits than its factorization.

22554996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1252 (or 1250 counting only the distinct ones).

The product of its digits is 194400, while the sum is 42.

The square root of 22554996 is about 4749.2100395750. The cubic root of 22554996 is about 282.5406358127.

The spelling of 22554996 in words is "twenty-two million, five hundred fifty-four thousand, nine hundred ninety-six".