111622225 has 24 divisors (see below), whose sum is σ = 162614592. Its totient is φ = 74932800.

The previous prime is 111622211. The next prime is 111622249. The reversal of 111622225 is 522226111.

It is not a de Polignac number, because 111622225 - 2¹¹ = 111620177 is a prime.

It is a super-2 number, since 2×111622225² = 24919042227901250, which contains 22 as substring.

It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111622196 and 111622205.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12037 + ... + 19186.

It is an arithmetic number, because the mean of its divisors is an integer number (6775608).

Almost surely, 2^111622225 is an apocalyptic number.

It is an amenable number.

111622225 is a deficient number, since it is larger than the sum of its proper divisors (50992367).

111622225 is a wasteful number, since it uses less digits than its factorization.

111622225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31257 (or 31252 counting only the distinct ones).

The product of its digits is 480, while the sum is 22.

The square root of 111622225 is about 10565.1419772760. The cubic root of 111622225 is about 481.4858831269.

Adding to 111622225 its reverse (522226111), we get a palindrome (633848336).

The spelling of 111622225 in words is "one hundred eleven million, six hundred twenty-two thousand, two hundred twenty-five".