22250544 has 40 divisors (see below), whose sum is σ = 57703152. Its totient is φ = 7388160.

The previous prime is 22250537. The next prime is 22250563. The reversal of 22250544 is 44505222.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14284 + ... + 15764.

Almost surely, 2^22250544 is an apocalyptic number.

22250544 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22250544 is an abundant number, since it is smaller than the sum of its proper divisors (35452608).

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

22250544 is a wasteful number, since it uses less digits than its factorization.

22250544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1805 (or 1799 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 24.

The square root of 22250544 is about 4717.0482295605. The cubic root of 22250544 is about 281.2636086255.

Adding to 22250544 its reverse (44505222), we get a palindrome (66755766).

The spelling of 22250544 in words is "twenty-two million, two hundred fifty thousand, five hundred forty-four".