22254251202 has 20 divisors (see below), whose sum is σ = 49866007686. Its totient is φ = 7418083680.

The previous prime is 22254251171. The next prime is 22254251207. The reversal of 22254251202 is 20215245222.

It is a happy number.

22254251202 is a `hidden beast` number, since 2 + 225 + 425 + 12 + 0 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 17032599081 + 5221652121 = 130509^2 + 72261^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (22254251207) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 68685799 + ... + 68686122.

Almost surely, 2^22254251202 is an apocalyptic number.

22254251202 is an abundant number, since it is smaller than the sum of its proper divisors (27611756484).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22254251202 is a wasteful number, since it uses less digits than its factorization.

22254251202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137371935 (or 137371926 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

Adding to 22254251202 its reverse (20215245222), we get a palindrome (42469496424).

The spelling of 22254251202 in words is "twenty-two billion, two hundred fifty-four million, two hundred fifty-one thousand, two hundred two".