222889232412 has 288 divisors, whose sum is σ = 729765765120. Its totient is φ = 57585686400.

The previous prime is 222889232411. The next prime is 222889232537. The reversal of 222889232412 is 214232988222.

222889232412 is a `hidden beast` number, since 2 + 228 + 8 + 9 + 2 + 3 + 2 + 412 = 666.

222889232412 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222889232411) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 17465538 + ... + 17478294.

Almost surely, 2^222889232412 is an apocalyptic number.

222889232412 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222889232412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (364882882560).

222889232412 is an abundant number, since it is smaller than the sum of its proper divisors (506876532708).

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

222889232412 is a wasteful number, since it uses less digits than its factorization.

222889232412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12990 (or 12971 counting only the distinct ones).

The product of its digits is 442368, while the sum is 45.

The spelling of 222889232412 in words is "two hundred twenty-two billion, eight hundred eighty-nine million, two hundred thirty-two thousand, four hundred twelve".