222121093 has 2 divisors, whose sum is σ = 222121094. Its totient is φ = 222121092.

The previous prime is 222121087. The next prime is 222121117. The reversal of 222121093 is 390121222.

222121093 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 143568324 + 78552769 = 11982^2 + 8863^2 .

It is a cyclic number.

It is not a de Polignac number, because 222121093 - 2¹³ = 222112901 is a prime.

It is a plaindrome in base 15.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222121033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111060546 + 111060547.

It is an arithmetic number, because the mean of its divisors is an integer number (111060547).

Almost surely, 2^222121093 is an apocalyptic number.

It is an amenable number.

222121093 is a deficient number, since it is larger than the sum of its proper divisors (1).

222121093 is an equidigital number, since it uses as much as digits as its factorization.

222121093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 222121093 is about 14903.7274867732. The cubic root of 222121093 is about 605.6149683398.

The spelling of 222121093 in words is "two hundred twenty-two million, one hundred twenty-one thousand, ninety-three".