22501452539 has 8 divisors (see below), whose sum is σ = 22639122480. Its totient is φ = 22364192736.

The previous prime is 22501452497. The next prime is 22501452583. The reversal of 22501452539 is 93525410522.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22501452539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22501152539) 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, 7889 + ... + 212285.

It is an arithmetic number, because the mean of its divisors is an integer number (2829890310).

Almost surely, 2^22501452539 is an apocalyptic number.

22501452539 is a deficient number, since it is larger than the sum of its proper divisors (137669941).

22501452539 is a wasteful number, since it uses less digits than its factorization.

22501452539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205069.

The product of its (nonzero) digits is 108000, while the sum is 38.

The spelling of 22501452539 in words is "twenty-two billion, five hundred one million, four hundred fifty-two thousand, five hundred thirty-nine".