111225402 has 12 divisors (see below), whose sum is σ = 240988410. Its totient is φ = 37075128.

The previous prime is 111225397. The next prime is 111225403. The reversal of 111225402 is 204522111.

111225402 is a `hidden beast` number, since 1 + 1 + 122 + 540 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 95472441 + 15752961 = 9771^2 + 3969^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 6179189 = 111225402 / (1 + 1 + 1 + 2 + 2 + 5 + 4 + 0 + 2).

It is not an unprimeable number, because it can be changed into a prime (111225403) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3089577 + ... + 3089612.

Almost surely, 2^111225402 is an apocalyptic number.

111225402 is an abundant number, since it is smaller than the sum of its proper divisors (129763008).

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

111225402 is a wasteful number, since it uses less digits than its factorization.

111225402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6179197 (or 6179194 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 111225402 is about 10546.3454333717. The cubic root of 111225402 is about 480.9146362690.

Adding to 111225402 its reverse (204522111), we get a palindrome (315747513).

The spelling of 111225402 in words is "one hundred eleven million, two hundred twenty-five thousand, four hundred two".