22087923242399 has 4 divisors (see below), whose sum is σ = 25243340848464. Its totient is φ = 18932505636336.

The previous prime is 22087923242369. The next prime is 22087923242419. The reversal of 22087923242399 is 99324232978022.

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 22087923242399 - 2²⁰ = 22087922193823 is a prime.

It is a super-2 number, since 2×22087923242399² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22087923242369) 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, 1577708803022 + ... + 1577708803035.

It is an arithmetic number, because the mean of its divisors is an integer number (6310835212116).

Almost surely, 2^{22087923242399} is an apocalyptic number.

22087923242399 is a deficient number, since it is larger than the sum of its proper divisors (3155417606065).

22087923242399 is an equidigital number, since it uses as much as digits as its factorization.

22087923242399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3155417606064.

The product of its (nonzero) digits is 47029248, while the sum is 62.

The spelling of 22087923242399 in words is "twenty-two trillion, eighty-seven billion, nine hundred twenty-three million, two hundred forty-two thousand, three hundred ninety-nine".