1522748520 has 96 divisors (see below), whose sum is σ = 5108613120. Its totient is φ = 392964480.

The previous prime is 1522748519. The next prime is 1522748527. The reversal of 1522748520 is 258472251.

It is a happy number.

1522748520 is a `hidden beast` number, since 152 + 2 + 7 + 485 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1522748527) 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, 57064 + ... + 79383.

It is an arithmetic number, because the mean of its divisors is an integer number (53214720).

Almost surely, 2^1522748520 is an apocalyptic number.

1522748520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1522748520 is an abundant number, since it is smaller than the sum of its proper divisors (3585864600).

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

1522748520 is a wasteful number, since it uses less digits than its factorization.

1522748520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136495 (or 136488 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 36.

The square root of 1522748520 is about 39022.4104842333. The cubic root of 1522748520 is about 1150.4720229906.

The spelling of 1522748520 in words is "one billion, five hundred twenty-two million, seven hundred forty-eight thousand, five hundred twenty".