22505250154 has 8 divisors (see below), whose sum is σ = 34220312100. Its totient is φ = 11098479456.

The previous prime is 22505250139. The next prime is 22505250191. The reversal of 22505250154 is 45105250522.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 19902719929 + 2602530225 = 141077^2 + 51015^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77072629 + ... + 77072920.

Almost surely, 2^22505250154 is an apocalyptic number.

22505250154 is a deficient number, since it is larger than the sum of its proper divisors (11715061946).

22505250154 is a wasteful number, since it uses less digits than its factorization.

22505250154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154145624.

The product of its (nonzero) digits is 20000, while the sum is 31.

The spelling of 22505250154 in words is "twenty-two billion, five hundred five million, two hundred fifty thousand, one hundred fifty-four".