222412663446 has 128 divisors (see below), whose sum is σ = 480072130560. Its totient is φ = 68523840000.

The previous prime is 222412663439. The next prime is 222412663493. The reversal of 222412663446 is 644366214222.

It is a super-2 number, since 2×222412663446² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 222412663398 and 222412663407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 359309325 + ... + 359309943.

It is an arithmetic number, because the mean of its divisors is an integer number (3750563520).

Almost surely, 2^222412663446 is an apocalyptic number.

222412663446 is an abundant number, since it is smaller than the sum of its proper divisors (257659467114).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

222412663446 is a wasteful number, since it uses less digits than its factorization.

222412663446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1242.

The product of its digits is 663552, while the sum is 42.

Adding to 222412663446 its reverse (644366214222), we get a palindrome (866778877668).

The spelling of 222412663446 in words is "two hundred twenty-two billion, four hundred twelve million, six hundred sixty-three thousand, four hundred forty-six".