222202000 has 80 divisors (see below), whose sum is σ = 540684144. Its totient is φ = 88320000.

The previous prime is 222201989. The next prime is 222202033. The reversal of 222202000 is 202222.

It can be written as a sum of positive squares in 8 ways, for example, as 63744256 + 158457744 = 7984^2 + 12588^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (10).

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, 481770 + ... + 482230.

Almost surely, 2^222202000 is an apocalyptic number.

222202000 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 222202000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (270342072).

222202000 is an abundant number, since it is smaller than the sum of its proper divisors (318482144).

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

222202000 is a wasteful number, since it uses less digits than its factorization.

222202000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 725 (or 709 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 10.

The square root of 222202000 is about 14906.4415606140. The cubic root of 222202000 is about 605.6884906118.

Adding to 222202000 its reverse (202222), we get a palindrome (222404222).

It can be divided in two parts, 22 and 2202000, that added together give a palindrome (2202022).

The spelling of 222202000 in words is "two hundred twenty-two million, two hundred two thousand".