22554072 has 32 divisors (see below), whose sum is σ = 62650800. Its totient is φ = 7517952.

The previous prime is 22554067. The next prime is 22554101. The reversal of 22554072 is 27045522.

22554072 is a `hidden beast` number, since 2 + 255 + 407 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 51993 + ... + 52424.

Almost surely, 2^22554072 is an apocalyptic number.

It is an amenable number.

22554072 is an abundant number, since it is smaller than the sum of its proper divisors (40096728).

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

22554072 is a wasteful number, since it uses less digits than its factorization.

22554072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104432 (or 104422 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 27.

The square root of 22554072 is about 4749.1127592425. The cubic root of 22554072 is about 282.5367775232.

Adding to 22554072 its reverse (27045522), we get a palindrome (49599594).

The spelling of 22554072 in words is "twenty-two million, five hundred fifty-four thousand, seventy-two".