22152542439 has 16 divisors (see below), whose sum is σ = 30104352000. Its totient is φ = 14485664256.

The previous prime is 22152542389. The next prime is 22152542479. The reversal of 22152542439 is 93424525122.

It is not a de Polignac number, because 22152542439 - 2⁷ = 22152542311 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22152542397 and 22152542406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22152542479) 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, 59899 + ... + 218844.

It is an arithmetic number, because the mean of its divisors is an integer number (1881522000).

Almost surely, 2^22152542439 is an apocalyptic number.

22152542439 is a deficient number, since it is larger than the sum of its proper divisors (7951809561).

22152542439 is a wasteful number, since it uses less digits than its factorization.

22152542439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279254.

The product of its digits is 172800, while the sum is 39.

The spelling of 22152542439 in words is "twenty-two billion, one hundred fifty-two million, five hundred forty-two thousand, four hundred thirty-nine".