22554102 has 48 divisors (see below), whose sum is σ = 49066560. Its totient is φ = 6891696.

The previous prime is 22554101. The next prime is 22554131. The reversal of 22554102 is 20145522.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22554101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 210733 + ... + 210839.

It is an arithmetic number, because the mean of its divisors is an integer number (1022220).

Almost surely, 2^22554102 is an apocalyptic number.

22554102 is an abundant number, since it is smaller than the sum of its proper divisors (26512458).

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

22554102 is a wasteful number, since it uses less digits than its factorization.

22554102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217 (or 174 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 22554102 is about 4749.1159177262. The cubic root of 22554102 is about 282.5369027940.

Adding to 22554102 its reverse (20145522), we get a palindrome (42699624).

The spelling of 22554102 in words is "twenty-two million, five hundred fifty-four thousand, one hundred two".