22748507 has 2 divisors, whose sum is σ = 22748508. Its totient is φ = 22748506.

The previous prime is 22748483. The next prime is 22748519. The reversal of 22748507 is 70584722.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22748507 - 2¹² = 22744411 is a prime.

It is not a weakly prime, because it can be changed into another prime (22748597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11374253 + 11374254.

It is an arithmetic number, because the mean of its divisors is an integer number (11374254).

Almost surely, 2^22748507 is an apocalyptic number.

22748507 is a deficient number, since it is larger than the sum of its proper divisors (1).

22748507 is an equidigital number, since it uses as much as digits as its factorization.

22748507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31360, while the sum is 35.

The square root of 22748507 is about 4769.5394955907. The cubic root of 22748507 is about 283.3463568024.

The spelling of 22748507 in words is "twenty-two million, seven hundred forty-eight thousand, five hundred seven".