22372383661 has 4 divisors (see below), whose sum is σ = 22848391872. Its totient is φ = 21896375452.

The previous prime is 22372383617. The next prime is 22372383721. The reversal of 22372383661 is 16638327322.

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 22372383661 - 2¹³ = 22372375469 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 (22373383661) 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, 238004035 + ... + 238004128.

It is an arithmetic number, because the mean of its divisors is an integer number (5712097968).

Almost surely, 2^22372383661 is an apocalyptic number.

It is an amenable number.

22372383661 is a deficient number, since it is larger than the sum of its proper divisors (476008211).

22372383661 is an equidigital number, since it uses as much as digits as its factorization.

22372383661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476008210.

The product of its digits is 435456, while the sum is 43.

The spelling of 22372383661 in words is "twenty-two billion, three hundred seventy-two million, three hundred eighty-three thousand, six hundred sixty-one".