1522131630 has 32 divisors (see below), whose sum is σ = 3738075264. Its totient is φ = 396461856.

The previous prime is 1522131623. The next prime is 1522131647. The reversal of 1522131630 is 361312251.

It is a self number, because there is not a number n which added to its sum of digits gives 1522131630.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 588684 + ... + 591263.

It is an arithmetic number, because the mean of its divisors is an integer number (116814852).

Almost surely, 2^1522131630 is an apocalyptic number.

1522131630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1522131630 is an abundant number, since it is smaller than the sum of its proper divisors (2215943634).

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

1522131630 is a wasteful number, since it uses less digits than its factorization.

1522131630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1180000.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 1522131630 is about 39014.5053794098. The cubic root of 1522131630 is about 1150.3166437454.

Adding to 1522131630 its reverse (361312251), we get a palindrome (1883443881).

The spelling of 1522131630 in words is "one billion, five hundred twenty-two million, one hundred thirty-one thousand, six hundred thirty".