222199860 has 96 divisors (see below), whose sum is σ = 662981760. Its totient is φ = 55410688.

The previous prime is 222199853. The next prime is 222199871. The reversal of 222199860 is 68991222.

222199860 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-4 number, since 4×222199860⁴ (a number of 34 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 181972 + ... + 183188.

It is an arithmetic number, because the mean of its divisors is an integer number (6906060).

Almost surely, 2^222199860 is an apocalyptic number.

222199860 is a gapful number since it is divisible by the number (20) 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 222199860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (331490880).

222199860 is an abundant number, since it is smaller than the sum of its proper divisors (440781900).

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

222199860 is a wasteful number, since it uses less digits than its factorization.

222199860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1425 (or 1423 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 222199860 is about 14906.3697793930. The cubic root of 222199860 is about 605.6865461686.

The spelling of 222199860 in words is "two hundred twenty-two million, one hundred ninety-nine thousand, eight hundred sixty".