22538540427 has 8 divisors (see below), whose sum is σ = 32363032464. Its totient is φ = 13869871008.

The previous prime is 22538540383. The next prime is 22538540441. The reversal of 22538540427 is 72404583522.

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

It is a de Polignac number, because none of the positive numbers 2^k-22538540427 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22538540467) 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, 288955608 + ... + 288955685.

It is an arithmetic number, because the mean of its divisors is an integer number (4045379058).

Almost surely, 2^22538540427 is an apocalyptic number.

22538540427 is a deficient number, since it is larger than the sum of its proper divisors (9824492037).

22538540427 is a wasteful number, since it uses less digits than its factorization.

22538540427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 577911309.

The product of its (nonzero) digits is 537600, while the sum is 42.

The spelling of 22538540427 in words is "twenty-two billion, five hundred thirty-eight million, five hundred forty thousand, four hundred twenty-seven".