222746453 has 2 divisors, whose sum is σ = 222746454. Its totient is φ = 222746452.

The previous prime is 222746413. The next prime is 222746483. The reversal of 222746453 is 354647222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 189833284 + 32913169 = 13778^2 + 5737^2 .

It is a cyclic number.

It is not a de Polignac number, because 222746453 - 2⁶ = 222746389 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222746413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111373226 + 111373227.

It is an arithmetic number, because the mean of its divisors is an integer number (111373227).

Almost surely, 2^222746453 is an apocalyptic number.

It is an amenable number.

222746453 is a deficient number, since it is larger than the sum of its proper divisors (1).

222746453 is an equidigital number, since it uses as much as digits as its factorization.

222746453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 80640, while the sum is 35.

The square root of 222746453 is about 14924.6927271552. The cubic root of 222746453 is about 606.1827855054.

The spelling of 222746453 in words is "two hundred twenty-two million, seven hundred forty-six thousand, four hundred fifty-three".