22502999 has 2 divisors, whose sum is σ = 22503000. Its totient is φ = 22502998.

The previous prime is 22502983. The next prime is 22503001. The reversal of 22502999 is 99920522.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22502999 - 2⁴ = 22502983 is a prime.

Together with 22503001, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22502929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11251499 + 11251500.

It is an arithmetic number, because the mean of its divisors is an integer number (11251500).

Almost surely, 2^22502999 is an apocalyptic number.

22502999 is a deficient number, since it is larger than the sum of its proper divisors (1).

22502999 is an equidigital number, since it uses as much as digits as its factorization.

22502999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 29160, while the sum is 38.

The square root of 22502999 is about 4743.7326020761. The cubic root of 22502999 is about 282.3233510717.

The spelling of 22502999 in words is "twenty-two million, five hundred two thousand, nine hundred ninety-nine".