115533220422 has 64 divisors (see below), whose sum is σ = 237145273344. Its totient is φ = 37506501120.

The previous prime is 115533220393. The next prime is 115533220441. The reversal of 115533220422 is 224022335511.

It is a self number, because there is not a number n which added to its sum of digits gives 115533220422.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 74392798 + ... + 74394350.

It is an arithmetic number, because the mean of its divisors is an integer number (3705394896).

Almost surely, 2^115533220422 is an apocalyptic number.

115533220422 is an abundant number, since it is smaller than the sum of its proper divisors (121612052922).

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

115533220422 is a wasteful number, since it uses less digits than its factorization.

115533220422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2733.

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 115533220422 its reverse (224022335511), we get a palindrome (339555555933).

The spelling of 115533220422 in words is "one hundred fifteen billion, five hundred thirty-three million, two hundred twenty thousand, four hundred twenty-two".