15522242532 has 12 divisors (see below), whose sum is σ = 36218565936. Its totient is φ = 5174080840.

The previous prime is 15522242501. The next prime is 15522242537. The reversal of 15522242532 is 23524222551.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 15522242493 and 15522242502.

It is not an unprimeable number, because it can be changed into a prime (15522242537) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 646760094 + ... + 646760117.

It is an arithmetic number, because the mean of its divisors is an integer number (3018213828).

Almost surely, 2^15522242532 is an apocalyptic number.

15522242532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15522242532 is an abundant number, since it is smaller than the sum of its proper divisors (20696323404).

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

15522242532 is a wasteful number, since it uses less digits than its factorization.

15522242532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1293520218 (or 1293520216 counting only the distinct ones).

The product of its digits is 48000, while the sum is 33.

The spelling of 15522242532 in words is "fifteen billion, five hundred twenty-two million, two hundred forty-two thousand, five hundred thirty-two".