15535032422 has 48 divisors (see below), whose sum is σ = 29254296960. Its totient is φ = 6132655872.

The previous prime is 15535032379. The next prime is 15535032431. The reversal of 15535032422 is 22423053551.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 597518 + ... + 622974.

It is an arithmetic number, because the mean of its divisors is an integer number (609464520).

Almost surely, 2^15535032422 is an apocalyptic number.

15535032422 is a deficient number, since it is larger than the sum of its proper divisors (13719264538).

15535032422 is a wasteful number, since it uses less digits than its factorization.

15535032422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25965 (or 25958 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 32.

Adding to 15535032422 its reverse (22423053551), we get a palindrome (37958085973).

The spelling of 15535032422 in words is "fifteen billion, five hundred thirty-five million, thirty-two thousand, four hundred twenty-two".