22551468 has 24 divisors (see below), whose sum is σ = 52727472. Its totient is φ = 7501824.

The previous prime is 22551467. The next prime is 22551491. The reversal of 22551468 is 86415522.

It is not an unprimeable number, because it can be changed into a prime (22551467) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5296 + ... + 8552.

It is an arithmetic number, because the mean of its divisors is an integer number (2196978).

Almost surely, 2^22551468 is an apocalyptic number.

It is an amenable number.

22551468 is an abundant number, since it is smaller than the sum of its proper divisors (30176004).

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

22551468 is a wasteful number, since it uses less digits than its factorization.

22551468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3841 (or 3839 counting only the distinct ones).

The product of its digits is 19200, while the sum is 33.

The square root of 22551468 is about 4748.8385948566. The cubic root of 22551468 is about 282.5259035949.

The spelling of 22551468 in words is "twenty-two million, five hundred fifty-one thousand, four hundred sixty-eight".