22901217485 has 4 divisors (see below), whose sum is σ = 27481460988. Its totient is φ = 18320973984.

The previous prime is 22901217431. The next prime is 22901217487. The reversal of 22901217485 is 58471210922.

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

It can be written as a sum of positive squares in 2 ways, for example, as 8188983049 + 14712234436 = 90493^2 + 121294^2 .

It is a cyclic number.

It is not a de Polignac number, because 22901217485 - 2²⁰ = 22900168909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22901217487) 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, 2290121744 + ... + 2290121753.

It is an arithmetic number, because the mean of its divisors is an integer number (6870365247).

Almost surely, 2^22901217485 is an apocalyptic number.

It is an amenable number.

22901217485 is a deficient number, since it is larger than the sum of its proper divisors (4580243503).

22901217485 is an equidigital number, since it uses as much as digits as its factorization.

22901217485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4580243502.

The product of its (nonzero) digits is 80640, while the sum is 41.

The spelling of 22901217485 in words is "twenty-two billion, nine hundred one million, two hundred seventeen thousand, four hundred eighty-five".