222415441 has 2 divisors, whose sum is σ = 222415442. Its totient is φ = 222415440.

The previous prime is 222415423. The next prime is 222415499. The reversal of 222415441 is 144514222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 222129216 + 286225 = 14904^2 + 535^2 .

It is a cyclic number.

It is not a de Polignac number, because 222415441 - 2¹⁵ = 222382673 is a prime.

It is a super-3 number, since 3×222415441³ (a number of 26 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (222415741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111207720 + 111207721.

It is an arithmetic number, because the mean of its divisors is an integer number (111207721).

Almost surely, 2^222415441 is an apocalyptic number.

It is an amenable number.

222415441 is a deficient number, since it is larger than the sum of its proper divisors (1).

222415441 is an equidigital number, since it uses as much as digits as its factorization.

222415441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2560, while the sum is 25.

The square root of 222415441 is about 14913.5991967063. The cubic root of 222415441 is about 605.8823643324.

Adding to 222415441 its reverse (144514222), we get a palindrome (366929663).

The spelling of 222415441 in words is "two hundred twenty-two million, four hundred fifteen thousand, four hundred forty-one".