22748087 has 2 divisors, whose sum is σ = 22748088. Its totient is φ = 22748086.

The previous prime is 22748029. The next prime is 22748101. The reversal of 22748087 is 78084722.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22748087 - 2¹⁶ = 22682551 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22748087.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22748027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11374043 + 11374044.

It is an arithmetic number, because the mean of its divisors is an integer number (11374044).

Almost surely, 2^22748087 is an apocalyptic number.

22748087 is a deficient number, since it is larger than the sum of its proper divisors (1).

22748087 is an equidigital number, since it uses as much as digits as its factorization.

22748087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 50176, while the sum is 38.

The square root of 22748087 is about 4769.4954659796. The cubic root of 22748087 is about 283.3446130073.

The spelling of 22748087 in words is "twenty-two million, seven hundred forty-eight thousand, eighty-seven".