222415442 has 16 divisors (see below), whose sum is σ = 346244760. Its totient is φ = 107025408.

The previous prime is 222415441. The next prime is 222415499. The reversal of 222415442 is 244514222.

It can be written as a sum of positive squares in 4 ways, for example, as 72573361 + 149842081 = 8519^2 + 12241^2 .

It is not an unprimeable number, because it can be changed into a prime (222415441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12338 + ... + 24434.

Almost surely, 2^222415442 is an apocalyptic number.

222415442 is a deficient number, since it is larger than the sum of its proper divisors (123829318).

222415442 is a wasteful number, since it uses less digits than its factorization.

222415442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12445.

The product of its digits is 5120, while the sum is 26.

The square root of 222415442 is about 14913.5992302328. The cubic root of 222415442 is about 605.8823652404.

Adding to 222415442 its reverse (244514222), we get a palindrome (466929664).

The spelling of 222415442 in words is "two hundred twenty-two million, four hundred fifteen thousand, four hundred forty-two".