222000901 has 2 divisors, whose sum is σ = 222000902. Its totient is φ = 222000900.

The previous prime is 222000871. The next prime is 222000913. The reversal of 222000901 is 109000222.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 221861025 + 139876 = 14895^2 + 374^2 .

It is a cyclic number.

It is not a de Polignac number, because 222000901 - 2¹⁷ = 221869829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222000101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111000450 + 111000451.

It is an arithmetic number, because the mean of its divisors is an integer number (111000451).

Almost surely, 2^222000901 is an apocalyptic number.

It is an amenable number.

222000901 is a deficient number, since it is larger than the sum of its proper divisors (1).

222000901 is an equidigital number, since it uses as much as digits as its factorization.

222000901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 222000901 is about 14899.6946613009. The cubic root of 222000901 is about 605.5057138090.

The spelling of 222000901 in words is "two hundred twenty-two million, nine hundred one", and thus it is an aban number.