22555245245 has 32 divisors (see below), whose sum is σ = 30330381312. Its totient is φ = 15994098432.

The previous prime is 22555245203. The next prime is 22555245247. The reversal of 22555245245 is 54254255522.

It is a de Polignac number, because none of the positive numbers 2^k-22555245245 is a prime.

It is a super-2 number, since 2×22555245245² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22555245247) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 92264 + ... + 231566.

It is an arithmetic number, because the mean of its divisors is an integer number (947824416).

Almost surely, 2^22555245245 is an apocalyptic number.

It is an amenable number.

22555245245 is a deficient number, since it is larger than the sum of its proper divisors (7775136067).

22555245245 is a wasteful number, since it uses less digits than its factorization.

22555245245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139421.

The product of its digits is 800000, while the sum is 41.

The spelling of 22555245245 in words is "twenty-two billion, five hundred fifty-five million, two hundred forty-five thousand, two hundred forty-five".