22412122545 has 48 divisors (see below), whose sum is σ = 37635826176. Its totient is φ = 11377036800.

The previous prime is 22412122541. The next prime is 22412122571. The reversal of 22412122545 is 54522121422.

It is not a de Polignac number, because 22412122545 - 2² = 22412122541 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22412122541) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1723789 + ... + 1736741.

It is an arithmetic number, because the mean of its divisors is an integer number (784079712).

Almost surely, 2^22412122545 is an apocalyptic number.

It is an amenable number.

22412122545 is a deficient number, since it is larger than the sum of its proper divisors (15223703631).

22412122545 is a wasteful number, since it uses less digits than its factorization.

22412122545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13114 (or 13053 counting only the distinct ones).

The product of its digits is 12800, while the sum is 30.

Adding to 22412122545 its reverse (54522121422), we get a palindrome (76934243967).

The spelling of 22412122545 in words is "twenty-two billion, four hundred twelve million, one hundred twenty-two thousand, five hundred forty-five".