222246424 has 32 divisors (see below), whose sum is σ = 441980640. Its totient is φ = 104544000.

The previous prime is 222246421. The next prime is 222246433. The reversal of 222246424 is 424642222.

It is a junction number, because it is equal to n+sod(n) for n = 222246392 and 222246401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222246421) 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, 1324 + ... + 21124.

It is an arithmetic number, because the mean of its divisors is an integer number (13811895).

Almost surely, 2^222246424 is an apocalyptic number.

It is an amenable number.

222246424 is a deficient number, since it is larger than the sum of its proper divisors (219734216).

222246424 is a wasteful number, since it uses less digits than its factorization.

222246424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19891 (or 19887 counting only the distinct ones).

The product of its digits is 12288, while the sum is 28.

The square root of 222246424 is about 14907.9315802025. The cubic root of 222246424 is about 605.7288522536.

Adding to 222246424 its reverse (424642222), we get a palindrome (646888646).

The spelling of 222246424 in words is "two hundred twenty-two million, two hundred forty-six thousand, four hundred twenty-four".