22150555154 has 40 divisors (see below), whose sum is σ = 41742910860. Its totient is φ = 8762832288.

The previous prime is 22150555151. The next prime is 22150555187. The reversal of 22150555154 is 45155505122.

It can be written as a sum of positive squares in 2 ways, for example, as 21941608129 + 208947025 = 148127^2 + 14455^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22150555151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 114989 + ... + 239840.

Almost surely, 2^22150555154 is an apocalyptic number.

22150555154 is a deficient number, since it is larger than the sum of its proper divisors (19592355706).

22150555154 is an equidigital number, since it uses as much as digits as its factorization.

22150555154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354872 (or 354851 counting only the distinct ones).

The product of its (nonzero) digits is 50000, while the sum is 35.

The spelling of 22150555154 in words is "twenty-two billion, one hundred fifty million, five hundred fifty-five thousand, one hundred fifty-four".