22328270921 has 4 divisors (see below), whose sum is σ = 24358113744. Its totient is φ = 20298428100.

The previous prime is 22328270911. The next prime is 22328270941. The reversal of 22328270921 is 12907282322.

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 22328270921 - 2⁶ = 22328270857 is a prime.

It is a super-3 number, since 3×22328270921³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22328270911) 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, 1014921395 + ... + 1014921416.

It is an arithmetic number, because the mean of its divisors is an integer number (6089528436).

Almost surely, 2^22328270921 is an apocalyptic number.

It is an amenable number.

22328270921 is a deficient number, since it is larger than the sum of its proper divisors (2029842823).

22328270921 is a wasteful number, since it uses less digits than its factorization.

22328270921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2029842822.

The product of its (nonzero) digits is 48384, while the sum is 38.

The spelling of 22328270921 in words is "twenty-two billion, three hundred twenty-eight million, two hundred seventy thousand, nine hundred twenty-one".