222412642 has 8 divisors (see below), whose sum is σ = 333827676. Its totient is φ = 111136752.

The previous prime is 222412639. The next prime is 222412657. The reversal of 222412642 is 246214222.

It can be written as a sum of positive squares in 2 ways, for example, as 221741881 + 670761 = 14891^2 + 819^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30693 + ... + 37240.

Almost surely, 2^222412642 is an apocalyptic number.

222412642 is a deficient number, since it is larger than the sum of its proper divisors (111415034).

222412642 is a wasteful number, since it uses less digits than its factorization.

222412642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69572.

The product of its digits is 3072, while the sum is 25.

The square root of 222412642 is about 14913.5053558846. The cubic root of 222412642 is about 605.8798227345.

Adding to 222412642 its reverse (246214222), we get a palindrome (468626864).

The spelling of 222412642 in words is "two hundred twenty-two million, four hundred twelve thousand, six hundred forty-two".