22147468 has 24 divisors (see below), whose sum is σ = 44506112. Its totient is φ = 9446544.

The previous prime is 22147441. The next prime is 22147501. The reversal of 22147468 is 86474122.

It is a happy number.

It is a super-2 number, since 2×22147468² = 981020677622048, which contains 22 as substring.

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, 4471 + ... + 8017.

Almost surely, 2^22147468 is an apocalyptic number.

22147468 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

22147468 is an abundant number, since it is smaller than the sum of its proper divisors (22358644).

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

22147468 is a wasteful number, since it uses less digits than its factorization.

22147468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3781 (or 3779 counting only the distinct ones).

The product of its digits is 21504, while the sum is 34.

The square root of 22147468 is about 4706.1096459815. The cubic root of 22147468 is about 280.8286168458.

The spelling of 22147468 in words is "twenty-two million, one hundred forty-seven thousand, four hundred sixty-eight".