22659770381 has 4 divisors (see below), whose sum is σ = 22663029792. Its totient is φ = 22656510972.

The previous prime is 22659770377. The next prime is 22659770459. The reversal of 22659770381 is 18307795622.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22659770381 - 2² = 22659770377 is a prime.

It is a super-2 number, since 2×22659770381² (a number of 22 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 (22659770321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1619255 + ... + 1633188.

It is an arithmetic number, because the mean of its divisors is an integer number (5665757448).

Almost surely, 2^22659770381 is an apocalyptic number.

It is an amenable number.

22659770381 is a deficient number, since it is larger than the sum of its proper divisors (3259411).

22659770381 is an equidigital number, since it uses as much as digits as its factorization.

22659770381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3259410.

The product of its (nonzero) digits is 1270080, while the sum is 50.

The spelling of 22659770381 in words is "twenty-two billion, six hundred fifty-nine million, seven hundred seventy thousand, three hundred eighty-one".