222132081 has 32 divisors (see below), whose sum is σ = 326937600. Its totient is φ = 133539840.

The previous prime is 222132073. The next prime is 222132101. The reversal of 222132081 is 180231222.

It is a happy number.

It is not a de Polignac number, because 222132081 - 2³ = 222132073 is a prime.

It is a super-2 number, since 2×222132081² = 98685322818781122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (222132041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 171685 + ... + 172973.

It is an arithmetic number, because the mean of its divisors is an integer number (10216800).

Almost surely, 2^222132081 is an apocalyptic number.

It is an amenable number.

222132081 is a deficient number, since it is larger than the sum of its proper divisors (104805519).

222132081 is a wasteful number, since it uses less digits than its factorization.

222132081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1449.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 222132081 is about 14904.0961148270. The cubic root of 222132081 is about 605.6249544656.

The spelling of 222132081 in words is "two hundred twenty-two million, one hundred thirty-two thousand, eighty-one".