222146190 has 96 divisors (see below), whose sum is σ = 688836096. Its totient is φ = 48565440.

The previous prime is 222146189. The next prime is 222146203. The reversal of 222146190 is 91641222.

222146190 is a `hidden beast` number, since 22 + 21 + 4 + 619 + 0 = 666.

It is a super-2 number, since 2×222146190² = 98697859463032200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 6825 + ... + 22155.

It is an arithmetic number, because the mean of its divisors is an integer number (7175376).

Almost surely, 2^222146190 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222146190, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (344418048).

222146190 is an abundant number, since it is smaller than the sum of its proper divisors (466689906).

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

222146190 is a wasteful number, since it uses less digits than its factorization.

222146190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15374 (or 15371 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 222146190 is about 14904.5694335663. The cubic root of 222146190 is about 605.6377765391.

The spelling of 222146190 in words is "two hundred twenty-two million, one hundred forty-six thousand, one hundred ninety".