115222404 has 48 divisors (see below), whose sum is σ = 294497280. Its totient is φ = 34772640.

The previous prime is 115222399. The next prime is 115222409. The reversal of 115222404 is 404222511.

It is an interprime number because it is at equal distance from previous prime (115222399) and next prime (115222409).

It is not an unprimeable number, because it can be changed into a prime (115222409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33057 + ... + 36375.

It is an arithmetic number, because the mean of its divisors is an integer number (6135360).

Almost surely, 2^115222404 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 115222404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147248640).

115222404 is an abundant number, since it is smaller than the sum of its proper divisors (179274876).

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

115222404 is a wasteful number, since it uses less digits than its factorization.

115222404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3600 (or 3598 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 115222404 is about 10734.1699259887. The cubic root of 115222404 is about 486.6077005766.

Adding to 115222404 its reverse (404222511), we get a palindrome (519444915).

The spelling of 115222404 in words is "one hundred fifteen million, two hundred twenty-two thousand, four hundred four".