22415234255121 has 4 divisors (see below), whose sum is σ = 29886979006832. Its totient is φ = 14943489503412.

The previous prime is 22415234255111. The next prime is 22415234255129. The reversal of 22415234255121 is 12155243251422.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 22415234255121 - 2¹⁴ = 22415234238737 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22415234255121.

It is not an unprimeable number, because it can be changed into a prime (22415234255129) 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, 3735872375851 + ... + 3735872375856.

It is an arithmetic number, because the mean of its divisors is an integer number (7471744751708).

Almost surely, 2^{22415234255121} is an apocalyptic number.

It is an amenable number.

22415234255121 is a deficient number, since it is larger than the sum of its proper divisors (7471744751711).

22415234255121 is an equidigital number, since it uses as much as digits as its factorization.

22415234255121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7471744751710.

The product of its digits is 192000, while the sum is 39.

The spelling of 22415234255121 in words is "twenty-two trillion, four hundred fifteen billion, two hundred thirty-four million, two hundred fifty-five thousand, one hundred twenty-one".