22252740890 has 16 divisors (see below), whose sum is σ = 40058069832. Its totient is φ = 8900399424.

The previous prime is 22252740883. The next prime is 22252740893. The reversal of 22252740890 is 9804725222.

It can be written as a sum of positive squares in 4 ways, for example, as 18714513601 + 3538227289 = 136801^2 + 59483^2 .

It is not an unprimeable number, because it can be changed into a prime (22252740893) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58592 + ... + 218948.

Almost surely, 2^22252740890 is an apocalyptic number.

22252740890 is a deficient number, since it is larger than the sum of its proper divisors (17805328942).

22252740890 is a wasteful number, since it uses less digits than its factorization.

22252740890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174241.

The product of its (nonzero) digits is 161280, while the sum is 41.

The spelling of 22252740890 in words is "twenty-two billion, two hundred fifty-two million, seven hundred forty thousand, eight hundred ninety".