22012214399 has 4 divisors (see below), whose sum is σ = 25156816464. Its totient is φ = 18867612336.

The previous prime is 22012214383. The next prime is 22012214437. The reversal of 22012214399 is 99341221022.

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

It is a cyclic number.

It is not a de Polignac number, because 22012214399 - 2⁴ = 22012214383 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 (22012214369) 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, 1572301022 + ... + 1572301035.

It is an arithmetic number, because the mean of its divisors is an integer number (6289204116).

Almost surely, 2^22012214399 is an apocalyptic number.

22012214399 is a deficient number, since it is larger than the sum of its proper divisors (3144602065).

22012214399 is an equidigital number, since it uses as much as digits as its factorization.

22012214399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3144602064.

The product of its (nonzero) digits is 15552, while the sum is 35.

The spelling of 22012214399 in words is "twenty-two billion, twelve million, two hundred fourteen thousand, three hundred ninety-nine".