2015125422 has 16 divisors (see below), whose sum is σ = 4031013072. Its totient is φ = 671581440.

The previous prime is 2015125421. The next prime is 2015125429. The reversal of 2015125422 is 2245215102.

It is a junction number, because it is equal to n+sod(n) for n = 2015125392 and 2015125401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2015125421) 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, 6078 + ... + 63774.

It is an arithmetic number, because the mean of its divisors is an integer number (251938317).

Almost surely, 2^2015125422 is an apocalyptic number.

2015125422 is an abundant number, since it is smaller than the sum of its proper divisors (2015887650).

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

2015125422 is a wasteful number, since it uses less digits than its factorization.

2015125422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63523.

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

The square root of 2015125422 is about 44890.1483846957. The cubic root of 2015125422 is about 1263.0892162190.

The spelling of 2015125422 in words is "two billion, fifteen million, one hundred twenty-five thousand, four hundred twenty-two".