22421520239 has 8 divisors (see below), whose sum is σ = 22732402560. Its totient is φ = 22112775000.

The previous prime is 22421520217. The next prime is 22421520241. The reversal of 22421520239 is 93202512422.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22421520239 - 2¹⁶ = 22421454703 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 (22421520139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 513137 + ... + 555114.

It is an arithmetic number, because the mean of its divisors is an integer number (2841550320).

Almost surely, 2^22421520239 is an apocalyptic number.

22421520239 is a deficient number, since it is larger than the sum of its proper divisors (310882321).

22421520239 is a wasteful number, since it uses less digits than its factorization.

22421520239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1068541.

The product of its (nonzero) digits is 17280, while the sum is 32.

The spelling of 22421520239 in words is "twenty-two billion, four hundred twenty-one million, five hundred twenty thousand, two hundred thirty-nine".