222123352 has 64 divisors (see below), whose sum is σ = 466560000. Its totient is φ = 98292480.

The previous prime is 222123331. The next prime is 222123367. The reversal of 222123352 is 253321222.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 618549 + ... + 618907.

It is an arithmetic number, because the mean of its divisors is an integer number (7290000).

Almost surely, 2^222123352 is an apocalyptic number.

222123352 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 222123352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (233280000).

222123352 is an abundant number, since it is smaller than the sum of its proper divisors (244436648).

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

222123352 is a wasteful number, since it uses less digits than its factorization.

222123352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544 (or 540 counting only the distinct ones).

The product of its digits is 1440, while the sum is 22.

The square root of 222123352 is about 14903.8032729904. The cubic root of 222123352 is about 605.6170213935.

Adding to 222123352 its reverse (253321222), we get a palindrome (475444574).

The spelling of 222123352 in words is "two hundred twenty-two million, one hundred twenty-three thousand, three hundred fifty-two".