222155093 has 2 divisors, whose sum is σ = 222155094. Its totient is φ = 222155092.

The previous prime is 222155081. The next prime is 222155161. The reversal of 222155093 is 390551222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 176969809 + 45185284 = 13303^2 + 6722^2 .

It is a cyclic number.

It is not a de Polignac number, because 222155093 - 2⁶ = 222155029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222155023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111077546 + 111077547.

It is an arithmetic number, because the mean of its divisors is an integer number (111077547).

Almost surely, 2^222155093 is an apocalyptic number.

It is an amenable number.

222155093 is a deficient number, since it is larger than the sum of its proper divisors (1).

222155093 is an equidigital number, since it uses as much as digits as its factorization.

222155093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 222155093 is about 14904.8680973701. The cubic root of 222155093 is about 605.6458671889.

The spelling of 222155093 in words is "two hundred twenty-two million, one hundred fifty-five thousand, ninety-three".