22947366 has 32 divisors (see below), whose sum is σ = 50174208. Its totient is φ = 6953760.

The previous prime is 22947359. The next prime is 22947377. The reversal of 22947366 is 66374922.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3031 + ... + 7421.

It is an arithmetic number, because the mean of its divisors is an integer number (1567944).

Almost surely, 2^22947366 is an apocalyptic number.

22947366 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 22947366, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25087104).

22947366 is an abundant number, since it is smaller than the sum of its proper divisors (27226842).

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

22947366 is a wasteful number, since it uses less digits than its factorization.

22947366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4476.

The product of its digits is 108864, while the sum is 39.

The square root of 22947366 is about 4790.3409064491. The cubic root of 22947366 is about 284.1695988246.

The spelling of 22947366 in words is "twenty-two million, nine hundred forty-seven thousand, three hundred sixty-six".