15222220125 has 64 divisors (see below), whose sum is σ = 29157273600. Its totient is φ = 6908500800.

The previous prime is 15222220103. The next prime is 15222220187. The reversal of 15222220125 is 52102222251.

15222220125 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 15222220125 - 2⁵ = 15222220093 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 15222220095 and 15222220104.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 344016 + ... + 385734.

It is an arithmetic number, because the mean of its divisors is an integer number (455582400).

Almost surely, 2^15222220125 is an apocalyptic number.

15222220125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

15222220125 is a deficient number, since it is larger than the sum of its proper divisors (13935053475).

15222220125 is a wasteful number, since it uses less digits than its factorization.

15222220125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41883 (or 41873 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

Adding to 15222220125 its reverse (52102222251), we get a palindrome (67324442376).

The spelling of 15222220125 in words is "fifteen billion, two hundred twenty-two million, two hundred twenty thousand, one hundred twenty-five".