222272091 has 24 divisors (see below), whose sum is σ = 327272400. Its totient is φ = 145340736.

The previous prime is 222272081. The next prime is 222272101. The reversal of 222272091 is 190272222.

It is an interprime number because it is at equal distance from previous prime (222272081) and next prime (222272101).

It is not a de Polignac number, because 222272091 - 2⁶ = 222272027 is a prime.

It is not an unprimeable number, because it can be changed into a prime (222272041) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 110305 + ... + 112301.

It is an arithmetic number, because the mean of its divisors is an integer number (13636350).

Almost surely, 2^222272091 is an apocalyptic number.

222272091 is a deficient number, since it is larger than the sum of its proper divisors (105000309).

222272091 is a wasteful number, since it uses less digits than its factorization.

222272091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2235 (or 2232 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 222272091 is about 14908.7924058255. The cubic root of 222272091 is about 605.7521696801.

The spelling of 222272091 in words is "two hundred twenty-two million, two hundred seventy-two thousand, ninety-one".