1015525422 has 48 divisors (see below), whose sum is σ = 2301858000. Its totient is φ = 323148672.

The previous prime is 1015525387. The next prime is 1015525429. The reversal of 1015525422 is 2245255101.

1015525422 is a `hidden beast` number, since 101 + 552 + 5 + 4 + 2 + 2 = 666.

1015525422 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1015525429) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35529 + ... + 57387.

It is an arithmetic number, because the mean of its divisors is an integer number (47955375).

Almost surely, 2^1015525422 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1015525422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1150929000).

1015525422 is an abundant number, since it is smaller than the sum of its proper divisors (1286332578).

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

1015525422 is a wasteful number, since it uses less digits than its factorization.

1015525422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21985 (or 21982 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 1015525422 is about 31867.3096134581. The cubic root of 1015525422 is about 1005.1485872234.

The spelling of 1015525422 in words is "one billion, fifteen million, five hundred twenty-five thousand, four hundred twenty-two".