222162190 has 16 divisors (see below), whose sum is σ = 409646160. Its totient is φ = 86697280.

The previous prime is 222162139. The next prime is 222162197. The reversal of 222162190 is 91261222.

It is a super-2 number, since 2×222162190² = 98712077331192200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222162197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 270520 + ... + 271339.

It is an arithmetic number, because the mean of its divisors is an integer number (25602885).

Almost surely, 2^222162190 is an apocalyptic number.

222162190 is a deficient number, since it is larger than the sum of its proper divisors (187483970).

222162190 is a wasteful number, since it uses less digits than its factorization.

222162190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 541907.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 222162190 is about 14905.1061720472. The cubic root of 222162190 is about 605.6523164715.

The spelling of 222162190 in words is "two hundred twenty-two million, one hundred sixty-two thousand, one hundred ninety".