222486912 has 192 divisors, whose sum is σ = 695036160. Its totient is φ = 70709760.

The previous prime is 222486911. The next prime is 222486931. The reversal of 222486912 is 219684222.

It is a tau number, because it is divible by the number of its divisors (192).

It is a super-2 number, since 2×222486912² = 99000852022591488, which contains 22 as substring.

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 not an unprimeable number, because it can be changed into a prime (222486911) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 715237 + ... + 715547.

It is an arithmetic number, because the mean of its divisors is an integer number (3619980).

Almost surely, 2^222486912 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 222486912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (347518080).

222486912 is an abundant number, since it is smaller than the sum of its proper divisors (472549248).

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

222486912 is an equidigital number, since it uses as much as digits as its factorization.

222486912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363 (or 339 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 222486912 is about 14915.9951729678. The cubic root of 222486912 is about 605.9472554819.

The spelling of 222486912 in words is "two hundred twenty-two million, four hundred eighty-six thousand, nine hundred twelve".