22351851799 has 4 divisors (see below), whose sum is σ = 22352597064. Its totient is φ = 22351106536.

The previous prime is 22351851773. The next prime is 22351851803. The reversal of 22351851799 is 99715815322.

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 22351851799 - 2¹³ = 22351843607 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 (22351851299) 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, 325672 + ... + 388285.

It is an arithmetic number, because the mean of its divisors is an integer number (5588149266).

Almost surely, 2^22351851799 is an apocalyptic number.

22351851799 is a deficient number, since it is larger than the sum of its proper divisors (745265).

22351851799 is an equidigital number, since it uses as much as digits as its factorization.

22351851799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 745264.

The product of its digits is 1360800, while the sum is 52.

The spelling of 22351851799 in words is "twenty-two billion, three hundred fifty-one million, eight hundred fifty-one thousand, seven hundred ninety-nine".