1522259968 has 96 divisors (see below), whose sum is σ = 3364714080. Its totient is φ = 684851200.

The previous prime is 1522259939. The next prime is 1522260007. The reversal of 1522259968 is 8699522251.

It is a super-2 number, since 2×1522259968² = 4634550820350722048, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 799818 + ... + 801718.

It is an arithmetic number, because the mean of its divisors is an integer number (35049105).

Almost surely, 2^1522259968 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1522259968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1682357040).

1522259968 is an abundant number, since it is smaller than the sum of its proper divisors (1842454112).

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

1522259968 is a wasteful number, since it uses less digits than its factorization.

1522259968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1963 (or 1943 counting only the distinct ones).

The product of its digits is 777600, while the sum is 49.

The square root of 1522259968 is about 39016.1500919811. The cubic root of 1522259968 is about 1150.3489723530.

The spelling of 1522259968 in words is "one billion, five hundred twenty-two million, two hundred fifty-nine thousand, nine hundred sixty-eight".