222401676 has 96 divisors (see below), whose sum is σ = 616591360. Its totient is φ = 61072704.

The previous prime is 222401639. The next prime is 222401677. The reversal of 222401676 is 676104222.

It is not an unprimeable number, because it can be changed into a prime (222401677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 241545 + ... + 242463.

Almost surely, 2^222401676 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222401676, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (308295680).

222401676 is an abundant number, since it is smaller than the sum of its proper divisors (394189684).

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

222401676 is a wasteful number, since it uses less digits than its factorization.

222401676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1043 (or 1041 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 222401676 is about 14913.1376980165. The cubic root of 222401676 is about 605.8698649861.

Adding to 222401676 its reverse (676104222), we get a palindrome (898505898).

The spelling of 222401676 in words is "two hundred twenty-two million, four hundred one thousand, six hundred seventy-six".