222314621 has 2 divisors, whose sum is σ = 222314622. Its totient is φ = 222314620.

The previous prime is 222314581. The next prime is 222314633. The reversal of 222314621 is 126413222.

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., 141943396 + 80371225 = 11914^2 + 8965^2 .

It is a cyclic number.

It is not a de Polignac number, because 222314621 - 2⁶ = 222314557 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 (222314681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111157310 + 111157311.

It is an arithmetic number, because the mean of its divisors is an integer number (111157311).

Almost surely, 2^222314621 is an apocalyptic number.

It is an amenable number.

222314621 is a deficient number, since it is larger than the sum of its proper divisors (1).

222314621 is an equidigital number, since it uses as much as digits as its factorization.

222314621 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1152, while the sum is 23.

The square root of 222314621 is about 14910.2186771355. The cubic root of 222314621 is about 605.7908025057.

Adding to 222314621 its reverse (126413222), we get a palindrome (348727843).

The spelling of 222314621 in words is "two hundred twenty-two million, three hundred fourteen thousand, six hundred twenty-one".