221422125432315 has 64 divisors (see below), whose sum is σ = 373465027353600. Its totient is φ = 111713451416064.

The previous prime is 221422125432293. The next prime is 221422125432383. The reversal of 221422125432315 is 513234521224122.

It is not a de Polignac number, because 221422125432315 - 2²³ = 221422117043707 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 865082737 + ... + 865338653.

It is an arithmetic number, because the mean of its divisors is an integer number (5835391052400).

Almost surely, 2^{221422125432315} is an apocalyptic number.

221422125432315 is a deficient number, since it is larger than the sum of its proper divisors (152042901921285).

221422125432315 is a wasteful number, since it uses less digits than its factorization.

221422125432315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260356.

The product of its digits is 230400, while the sum is 39.

Adding to 221422125432315 its reverse (513234521224122), we get a palindrome (734656646656437).

The spelling of 221422125432315 in words is "two hundred twenty-one trillion, four hundred twenty-two billion, one hundred twenty-five million, four hundred thirty-two thousand, three hundred fifteen".