22550727399 has 4 divisors (see below), whose sum is σ = 30067636536. Its totient is φ = 15033818264.

The previous prime is 22550727377. The next prime is 22550727401. The reversal of 22550727399 is 99372705522.

It is a happy number.

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 22550727399 - 2¹² = 22550723303 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22550727349) 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, 3758454564 + ... + 3758454569.

It is an arithmetic number, because the mean of its divisors is an integer number (7516909134).

Almost surely, 2^22550727399 is an apocalyptic number.

22550727399 is a deficient number, since it is larger than the sum of its proper divisors (7516909137).

22550727399 is an equidigital number, since it uses as much as digits as its factorization.

22550727399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7516909136.

The product of its (nonzero) digits is 2381400, while the sum is 51.

The spelling of 22550727399 in words is "twenty-two billion, five hundred fifty million, seven hundred twenty-seven thousand, three hundred ninety-nine".