222146133 has 16 divisors (see below), whose sum is σ = 324581376. Its totient is φ = 134025840.

The previous prime is 222146129. The next prime is 222146137. The reversal of 222146133 is 331641222.

It is an interprime number because it is at equal distance from previous prime (222146129) and next prime (222146137).

It is not a de Polignac number, because 222146133 - 2² = 222146129 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222146137) 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 15 ways as a sum of consecutive naturals, for example, 7735 + ... + 22452.

It is an arithmetic number, because the mean of its divisors is an integer number (20286336).

Almost surely, 2^222146133 is an apocalyptic number.

It is an amenable number.

222146133 is a deficient number, since it is larger than the sum of its proper divisors (102435243).

222146133 is a wasteful number, since it uses less digits than its factorization.

222146133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30424.

The product of its digits is 1728, while the sum is 24.

The square root of 222146133 is about 14904.5675214009. The cubic root of 222146133 is about 605.6377247393.

Adding to 222146133 its reverse (331641222), we get a palindrome (553787355).

The spelling of 222146133 in words is "two hundred twenty-two million, one hundred forty-six thousand, one hundred thirty-three".