22939627542 has 64 divisors (see below), whose sum is σ = 52281815040. Its totient is φ = 6651763200.

The previous prime is 22939627541. The next prime is 22939627583. The reversal of 22939627542 is 24572693922.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22939627541) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 242542 + ... + 323582.

It is an arithmetic number, because the mean of its divisors is an integer number (816903360).

Almost surely, 2^22939627542 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22939627542, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26140907520).

22939627542 is an abundant number, since it is smaller than the sum of its proper divisors (29342187498).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22939627542 is a wasteful number, since it uses less digits than its factorization.

22939627542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81269.

The product of its digits is 3265920, while the sum is 51.

The spelling of 22939627542 in words is "twenty-two billion, nine hundred thirty-nine million, six hundred twenty-seven thousand, five hundred forty-two".