22550044 has 18 divisors (see below), whose sum is σ = 43377152. Its totient is φ = 10249800.

The previous prime is 22550027. The next prime is 22550089. The reversal of 22550044 is 44005522.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 22549997 and 22550024.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22812 + ... + 23779.

Almost surely, 2^22550044 is an apocalyptic number.

It is an amenable number.

22550044 is a deficient number, since it is larger than the sum of its proper divisors (20827108).

22550044 is a wasteful number, since it uses less digits than its factorization.

22550044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46617 (or 46604 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 22.

The square root of 22550044 is about 4748.6886610937. The cubic root of 22550044 is about 282.5199568223.

Adding to 22550044 its reverse (44005522), we get a palindrome (66555566).

The spelling of 22550044 in words is "twenty-two million, five hundred fifty thousand, forty-four".