1522543632 has 20 divisors (see below), whose sum is σ = 3933237840. Its totient is φ = 507514528.

The previous prime is 1522543621. The next prime is 1522543669. The reversal of 1522543632 is 2363452251.

It is a happy number.

It is a super-2 number, since 2×1522543632² = 4636278222687502848, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1522543593 and 1522543602.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15859782 + ... + 15859877.

It is an arithmetic number, because the mean of its divisors is an integer number (196661892).

Almost surely, 2^1522543632 is an apocalyptic number.

1522543632 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1522543632 is an abundant number, since it is smaller than the sum of its proper divisors (2410694208).

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

1522543632 is a wasteful number, since it uses less digits than its factorization.

1522543632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31719670 (or 31719664 counting only the distinct ones).

The product of its digits is 43200, while the sum is 33.

The square root of 1522543632 is about 39019.7851352362. The cubic root of 1522543632 is about 1150.4204214552.

Adding to 1522543632 its reverse (2363452251), we get a palindrome (3885995883).

The spelling of 1522543632 in words is "one billion, five hundred twenty-two million, five hundred forty-three thousand, six hundred thirty-two".