22554150 has 48 divisors (see below), whose sum is σ = 57009744. Its totient is φ = 5898880.

The previous prime is 22554137. The next prime is 22554151. The reversal of 22554150 is 5145522.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 22554150.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22554151) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6532 + ... + 9368.

It is an arithmetic number, because the mean of its divisors is an integer number (1187703).

Almost surely, 2^22554150 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22554150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28504872).

22554150 is an abundant number, since it is smaller than the sum of its proper divisors (34455594).

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

22554150 is a wasteful number, since it uses less digits than its factorization.

22554150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2905 (or 2900 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 22554150 is about 4749.1209712956. The cubic root of 22554150 is about 282.5371032270.

Adding to 22554150 its reverse (5145522), we get a palindrome (27699672).

The spelling of 22554150 in words is "twenty-two million, five hundred fifty-four thousand, one hundred fifty".