222791093 has 24 divisors (see below), whose sum is σ = 277348320. Its totient is φ = 177901920.

The previous prime is 222791083. The next prime is 222791111. The reversal of 222791093 is 390197222.

It is not a de Polignac number, because 222791093 - 2⁴ = 222791077 is a prime.

It is a super-2 number, since 2×222791093² = 99271742240269298, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222791033) 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, 54830 + ... + 58752.

It is an arithmetic number, because the mean of its divisors is an integer number (11556180).

Almost surely, 2^222791093 is an apocalyptic number.

It is an amenable number.

222791093 is a deficient number, since it is larger than the sum of its proper divisors (54557227).

222791093 is a wasteful number, since it uses less digits than its factorization.

222791093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4017 (or 4010 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 222791093 is about 14926.1881604112. The cubic root of 222791093 is about 606.2232772718.

The spelling of 222791093 in words is "two hundred twenty-two million, seven hundred ninety-one thousand, ninety-three".