362223221 has 2 divisors, whose sum is σ = 362223222. Its totient is φ = 362223220.

The previous prime is 362223217. The next prime is 362223247. The reversal of 362223221 is 122322263.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 356794321 + 5428900 = 18889^2 + 2330^2 .

It is a cyclic number.

It is not a de Polignac number, because 362223221 - 2² = 362223217 is a prime.

It is a super-2 number, since 2×362223221² = 262411323663229682, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (362222221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 181111610 + 181111611.

It is an arithmetic number, because the mean of its divisors is an integer number (181111611).

Almost surely, 2^362223221 is an apocalyptic number.

It is an amenable number.

362223221 is a deficient number, since it is larger than the sum of its proper divisors (1).

362223221 is an equidigital number, since it uses as much as digits as its factorization.

362223221 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1728, while the sum is 23.

The square root of 362223221 is about 19032.1628040536. The cubic root of 362223221 is about 712.8400566547.

Adding to 362223221 its reverse (122322263), we get a palindrome (484545484).

The spelling of 362223221 in words is "three hundred sixty-two million, two hundred twenty-three thousand, two hundred twenty-one".