222353689 has 2 divisors, whose sum is σ = 222353690. Its totient is φ = 222353688.

The previous prime is 222353657. The next prime is 222353707. The reversal of 222353689 is 986353222.

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., 151659225 + 70694464 = 12315^2 + 8408^2 .

It is a cyclic number.

It is not a de Polignac number, because 222353689 - 2⁵ = 222353657 is a prime.

It is not a weakly prime, because it can be changed into another prime (222353639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111176844 + 111176845.

It is an arithmetic number, because the mean of its divisors is an integer number (111176845).

Almost surely, 2^222353689 is an apocalyptic number.

It is an amenable number.

222353689 is a deficient number, since it is larger than the sum of its proper divisors (1).

222353689 is an equidigital number, since it uses as much as digits as its factorization.

222353689 is an evil number, because the sum of its binary digits is even.

The product of its digits is 155520, while the sum is 40.

The square root of 222353689 is about 14911.5287277998. The cubic root of 222353689 is about 605.8262862250.

The spelling of 222353689 in words is "two hundred twenty-two million, three hundred fifty-three thousand, six hundred eighty-nine".