222945253 has 2 divisors, whose sum is σ = 222945254. Its totient is φ = 222945252.

The previous prime is 222945227. The next prime is 222945263. The reversal of 222945253 is 352549222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 216148804 + 6796449 = 14702^2 + 2607^2 .

It is a cyclic number.

It is not a de Polignac number, because 222945253 - 2¹³ = 222937061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222945223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111472626 + 111472627.

It is an arithmetic number, because the mean of its divisors is an integer number (111472627).

Almost surely, 2^222945253 is an apocalyptic number.

It is an amenable number.

222945253 is a deficient number, since it is larger than the sum of its proper divisors (1).

222945253 is an equidigital number, since it uses as much as digits as its factorization.

222945253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 43200, while the sum is 34.

The square root of 222945253 is about 14931.3513454074. The cubic root of 222945253 is about 606.3630701633.

The spelling of 222945253 in words is "two hundred twenty-two million, nine hundred forty-five thousand, two hundred fifty-three".