222871792 has 120 divisors (see below), whose sum is σ = 522823680. Its totient is φ = 91203840.

The previous prime is 222871783. The next prime is 222871793. The reversal of 222871792 is 297178222.

It is a super-3 number, since 3×222871792³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222871793) by changing a digit.

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, 1754833 + ... + 1754959.

It is an arithmetic number, because the mean of its divisors is an integer number (4356864).

Almost surely, 2^222871792 is an apocalyptic number.

222871792 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 222871792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (261411840).

222871792 is an abundant number, since it is smaller than the sum of its proper divisors (299951888).

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

222871792 is a wasteful number, since it uses less digits than its factorization.

222871792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231 (or 212 counting only the distinct ones).

The product of its digits is 56448, while the sum is 40.

The square root of 222871792 is about 14928.8911845455. The cubic root of 222871792 is about 606.2964634811.

The spelling of 222871792 in words is "two hundred twenty-two million, eight hundred seventy-one thousand, seven hundred ninety-two".