222641091 has 12 divisors (see below), whose sum is σ = 332682480. Its totient is φ = 143309040.

The previous prime is 222641071. The next prime is 222641117. The reversal of 222641091 is 190146222.

It is not a de Polignac number, because 222641091 - 2⁷ = 222640963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (222641011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 426255 + ... + 426776.

It is an arithmetic number, because the mean of its divisors is an integer number (27723540).

Almost surely, 2^222641091 is an apocalyptic number.

222641091 is a deficient number, since it is larger than the sum of its proper divisors (110041389).

222641091 is a wasteful number, since it uses less digits than its factorization.

222641091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 853066 (or 853063 counting only the distinct ones).

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

The square root of 222641091 is about 14921.1625217340. The cubic root of 222641091 is about 606.0871929566.

The spelling of 222641091 in words is "two hundred twenty-two million, six hundred forty-one thousand, ninety-one".