22439600243 has 4 divisors (see below), whose sum is σ = 22986907608. Its totient is φ = 21892292880.

The previous prime is 22439600237. The next prime is 22439600257. The reversal of 22439600243 is 34200693422.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22439600243 - 2⁶ = 22439600179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22439600233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 273653621 + ... + 273653702.

It is an arithmetic number, because the mean of its divisors is an integer number (5746726902).

Almost surely, 2^22439600243 is an apocalyptic number.

22439600243 is a deficient number, since it is larger than the sum of its proper divisors (547307365).

22439600243 is an equidigital number, since it uses as much as digits as its factorization.

22439600243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 547307364.

The product of its (nonzero) digits is 62208, while the sum is 35.

The spelling of 22439600243 in words is "twenty-two billion, four hundred thirty-nine million, six hundred thousand, two hundred forty-three".