22001522439 has 16 divisors (see below), whose sum is σ = 31596969600. Its totient is φ = 13537238496.

The previous prime is 22001522437. The next prime is 22001522471. The reversal of 22001522439 is 93422510022.

It is not a de Polignac number, because 22001522439 - 2¹ = 22001522437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22001522437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 222772 + ... + 305990.

It is an arithmetic number, because the mean of its divisors is an integer number (1974810600).

Almost surely, 2^22001522439 is an apocalyptic number.

22001522439 is a deficient number, since it is larger than the sum of its proper divisors (9595447161).

22001522439 is a wasteful number, since it uses less digits than its factorization.

22001522439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90014.

The product of its (nonzero) digits is 8640, while the sum is 30.

The spelling of 22001522439 in words is "twenty-two billion, one million, five hundred twenty-two thousand, four hundred thirty-nine".