222020329 has 2 divisors, whose sum is σ = 222020330. Its totient is φ = 222020328.

The previous prime is 222020303. The next prime is 222020353. The reversal of 222020329 is 923020222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 213306025 + 8714304 = 14605^2 + 2952^2 .

It is a cyclic number.

It is not a de Polignac number, because 222020329 - 2¹¹ = 222018281 is a prime.

It is not a weakly prime, because it can be changed into another prime (222020389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111010164 + 111010165.

It is an arithmetic number, because the mean of its divisors is an integer number (111010165).

Almost surely, 2^222020329 is an apocalyptic number.

It is an amenable number.

222020329 is a deficient number, since it is larger than the sum of its proper divisors (1).

222020329 is an equidigital number, since it uses as much as digits as its factorization.

222020329 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 222020329 is about 14900.3466067068. The cubic root of 222020329 is about 605.5233765329.

The spelling of 222020329 in words is "two hundred twenty-two million, twenty thousand, three hundred twenty-nine".