22254345999 has 16 divisors (see below), whose sum is σ = 34032931840. Its totient is φ = 14357642040.

The previous prime is 22254345979. The next prime is 22254346021. The reversal of 22254345999 is 99954345222.

22254345999 is a `hidden beast` number, since 2 + 2 + 2 + 5 + 43 + 4 + 599 + 9 = 666.

It is not a de Polignac number, because 22254345999 - 2⁷ = 22254345871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22254345979) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13293277 + ... + 13294950.

It is an arithmetic number, because the mean of its divisors is an integer number (2127058240).

Almost surely, 2^22254345999 is an apocalyptic number.

22254345999 is a deficient number, since it is larger than the sum of its proper divisors (11778585841).

22254345999 is a wasteful number, since it uses less digits than its factorization.

22254345999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26588267 (or 26588261 counting only the distinct ones).

The product of its digits is 6998400, while the sum is 54.

The spelling of 22254345999 in words is "twenty-two billion, two hundred fifty-four million, three hundred forty-five thousand, nine hundred ninety-nine".