22412051999 has 4 divisors (see below), whose sum is σ = 22419618936. Its totient is φ = 22404485064.

The previous prime is 22412051993. The next prime is 22412052041. The reversal of 22412051999 is 99915021422.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22412051999 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 (22412051993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3779024 + ... + 3784949.

It is an arithmetic number, because the mean of its divisors is an integer number (5604904734).

Almost surely, 2^22412051999 is an apocalyptic number.

22412051999 is a deficient number, since it is larger than the sum of its proper divisors (7566937).

22412051999 is an equidigital number, since it uses as much as digits as its factorization.

22412051999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7566936.

The product of its (nonzero) digits is 116640, while the sum is 44.

The spelling of 22412051999 in words is "twenty-two billion, four hundred twelve million, fifty-one thousand, nine hundred ninety-nine".