22947340 has 24 divisors (see below), whose sum is σ = 51896880. Its totient is φ = 8472768.

The previous prime is 22947311. The next prime is 22947343. The reversal of 22947340 is 4374922.

It is not an unprimeable number, because it can be changed into a prime (22947343) by changing a digit.

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, 43870 + ... + 44389.

It is an arithmetic number, because the mean of its divisors is an integer number (2162370).

Almost surely, 2^22947340 is an apocalyptic number.

22947340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22947340 is an abundant number, since it is smaller than the sum of its proper divisors (28949540).

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

22947340 is a wasteful number, since it uses less digits than its factorization.

22947340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88281 (or 88279 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 22947340 is about 4790.3381926540. The cubic root of 22947340 is about 284.1694915006.

The spelling of 22947340 in words is "twenty-two million, nine hundred forty-seven thousand, three hundred forty".