222369912 has 96 divisors (see below), whose sum is σ = 626886000. Its totient is φ = 71124480.

The previous prime is 222369871. The next prime is 222369929. The reversal of 222369912 is 219963222.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 586539 + ... + 586917.

Almost surely, 2^222369912 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 222369912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (313443000).

222369912 is an abundant number, since it is smaller than the sum of its proper divisors (404516088).

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

222369912 is a wasteful number, since it uses less digits than its factorization.

222369912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 701 (or 694 counting only the distinct ones).

The product of its digits is 23328, while the sum is 36.

The square root of 222369912 is about 14912.0726929559. The cubic root of 222369912 is about 605.8410196300.

The spelling of 222369912 in words is "two hundred twenty-two million, three hundred sixty-nine thousand, nine hundred twelve".