1522313252 has 24 divisors (see below), whose sum is σ = 2700284160. Its totient is φ = 750821760.

The previous prime is 1522313203. The next prime is 1522313257. The reversal of 1522313252 is 2523132251.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1522313257) 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, 560177 + ... + 562887.

It is an arithmetic number, because the mean of its divisors is an integer number (112511840).

Almost surely, 2^1522313252 is an apocalyptic number.

It is an amenable number.

1522313252 is a deficient number, since it is larger than the sum of its proper divisors (1177970908).

1522313252 is a wasteful number, since it uses less digits than its factorization.

1522313252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4571 (or 4569 counting only the distinct ones).

The product of its digits is 3600, while the sum is 26.

The square root of 1522313252 is about 39016.8329314413. The cubic root of 1522313252 is about 1150.3623941690.

The spelling of 1522313252 in words is "one billion, five hundred twenty-two million, three hundred thirteen thousand, two hundred fifty-two".