111152222 has 16 divisors (see below), whose sum is σ = 176731632. Its totient is φ = 52248960.

The previous prime is 111152221. The next prime is 111152233. The reversal of 111152222 is 222251111.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 111152222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111152221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56597 + ... + 58527.

It is an arithmetic number, because the mean of its divisors is an integer number (11045727).

Almost surely, 2^111152222 is an apocalyptic number.

111152222 is a deficient number, since it is larger than the sum of its proper divisors (65579410).

111152222 is a wasteful number, since it uses less digits than its factorization.

111152222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3643.

The product of its digits is 80, while the sum is 17.

The square root of 111152222 is about 10542.8754142312. The cubic root of 111152222 is about 480.8091416198.

The spelling of 111152222 in words is "one hundred eleven million, one hundred fifty-two thousand, two hundred twenty-two".