222304012 has 24 divisors (see below), whose sum is σ = 447560960. Its totient is φ = 94640400.

The previous prime is 222303967. The next prime is 222304013. The reversal of 222304012 is 210403222.

It is a super-2 number, since 2×222304012² = 98838147502592288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (222304013) 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, 22062 + ... + 30517.

Almost surely, 2^222304012 is an apocalyptic number.

It is an amenable number.

222304012 is an abundant number, since it is smaller than the sum of its proper divisors (225256948).

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

222304012 is a wasteful number, since it uses less digits than its factorization.

222304012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52741 (or 52739 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 222304012 is about 14909.8629101679. The cubic root of 222304012 is about 605.7811661072.

Adding to 222304012 its reverse (210403222), we get a palindrome (432707234).

The spelling of 222304012 in words is "two hundred twenty-two million, three hundred four thousand, twelve".