222342413 has 2 divisors, whose sum is σ = 222342414. Its totient is φ = 222342412.

The previous prime is 222342401. The next prime is 222342431. The reversal of 222342413 is 314243222.

Together with next prime (222342431) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 191628649 + 30713764 = 13843^2 + 5542^2 .

It is a cyclic number.

It is not a de Polignac number, because 222342413 - 2⁶ = 222342349 is a prime.

It is a super-2 number, since 2×222342413² = 98872297237325138, 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 (222342433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111171206 + 111171207.

It is an arithmetic number, because the mean of its divisors is an integer number (111171207).

Almost surely, 2^222342413 is an apocalyptic number.

It is an amenable number.

222342413 is a deficient number, since it is larger than the sum of its proper divisors (1).

222342413 is an equidigital number, since it uses as much as digits as its factorization.

222342413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2304, while the sum is 23.

The square root of 222342413 is about 14911.1506262931. The cubic root of 222342413 is about 605.8160451646.

Adding to 222342413 its reverse (314243222), we get a palindrome (536585635).

The spelling of 222342413 in words is "two hundred twenty-two million, three hundred forty-two thousand, four hundred thirteen".