1522318716 has 18 divisors (see below), whose sum is σ = 3848083512. Its totient is φ = 507439560.

The previous prime is 1522318709. The next prime is 1522318769. The reversal of 1522318716 is 6178132251.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 42286631 = 1522318716 / (1 + 5 + 2 + 2 + 3 + 1 + 8 + 7 + 1 + 6).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21143280 + ... + 21143351.

Almost surely, 2^1522318716 is an apocalyptic number.

It is an amenable number.

1522318716 is an abundant number, since it is smaller than the sum of its proper divisors (2325764796).

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

1522318716 is a wasteful number, since it uses less digits than its factorization.

1522318716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42286641 (or 42286636 counting only the distinct ones).

The product of its digits is 20160, while the sum is 36.

The square root of 1522318716 is about 39016.9029524384. The cubic root of 1522318716 is about 1150.3637704895.

The spelling of 1522318716 in words is "one billion, five hundred twenty-two million, three hundred eighteen thousand, seven hundred sixteen".