222200550 has 192 divisors, whose sum is σ = 719953920. Its totient is φ = 49680000.

The previous prime is 222200521. The next prime is 222200567. The reversal of 222200550 is 55002222.

222200550 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 192475 + ... + 193625.

It is an arithmetic number, because the mean of its divisors is an integer number (3749760).

Almost surely, 2^222200550 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222200550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (359976960).

222200550 is an abundant number, since it is smaller than the sum of its proper divisors (497753370).

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

222200550 is a wasteful number, since it uses less digits than its factorization.

222200550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1196 (or 1185 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 18.

The square root of 222200550 is about 14906.3929238431. The cubic root of 222200550 is about 605.6871731166.

Adding to 222200550 its reverse (55002222), we get a palindrome (277202772).

The spelling of 222200550 in words is "two hundred twenty-two million, two hundred thousand, five hundred fifty".