22720622371 has 4 divisors (see below), whose sum is σ = 22721871832. Its totient is φ = 22719372912.

The previous prime is 22720622347. The next prime is 22720622399. The reversal of 22720622371 is 17322602722.

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 22720622371 - 2¹³ = 22720614179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22720622341) 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, 597045 + ... + 633958.

It is an arithmetic number, because the mean of its divisors is an integer number (5680467958).

Almost surely, 2^22720622371 is an apocalyptic number.

22720622371 is a deficient number, since it is larger than the sum of its proper divisors (1249461).

22720622371 is a wasteful number, since it uses less digits than its factorization.

22720622371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1249460.

The product of its (nonzero) digits is 28224, while the sum is 34.

The spelling of 22720622371 in words is "twenty-two billion, seven hundred twenty million, six hundred twenty-two thousand, three hundred seventy-one".