222139301 has 2 divisors, whose sum is σ = 222139302. Its totient is φ = 222139300.

The previous prime is 222139297. The next prime is 222139321. The reversal of 222139301 is 103931222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 216384100 + 5755201 = 14710^2 + 2399^2 .

It is a cyclic number.

It is not a de Polignac number, because 222139301 - 2² = 222139297 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222139321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111069650 + 111069651.

It is an arithmetic number, because the mean of its divisors is an integer number (111069651).

Almost surely, 2^222139301 is an apocalyptic number.

It is an amenable number.

222139301 is a deficient number, since it is larger than the sum of its proper divisors (1).

222139301 is an equidigital number, since it uses as much as digits as its factorization.

222139301 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 222139301 is about 14904.3383281513. The cubic root of 222139301 is about 605.6315159744.

The spelling of 222139301 in words is "two hundred twenty-two million, one hundred thirty-nine thousand, three hundred one".