22250999 has 2 divisors, whose sum is σ = 22251000. Its totient is φ = 22250998.

The previous prime is 22250993. The next prime is 22251013. The reversal of 22250999 is 99905222.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22250999 - 2⁴ = 22250983 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22250993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11125499 + 11125500.

It is an arithmetic number, because the mean of its divisors is an integer number (11125500).

Almost surely, 2^22250999 is an apocalyptic number.

22250999 is a deficient number, since it is larger than the sum of its proper divisors (1).

22250999 is an equidigital number, since it uses as much as digits as its factorization.

22250999 is an odious number, because the sum of its binary digits is odd.

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

The square root of 22250999 is about 4717.0964586279. The cubic root of 22250999 is about 281.2655257931.

The spelling of 22250999 in words is "twenty-two million, two hundred fifty thousand, nine hundred ninety-nine".