222434500 has 24 divisors (see below), whose sum is σ = 485798040. Its totient is φ = 88973600.

The previous prime is 222434497. The next prime is 222434507. The reversal of 222434500 is 5434222.

It can be written as a sum of positive squares in 4 ways, for example, as 26378496 + 196056004 = 5136^2 + 14002^2 .

It is not an unprimeable number, because it can be changed into a prime (222434507) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 221935 + ... + 222934.

It is an arithmetic number, because the mean of its divisors is an integer number (20241585).

Almost surely, 2^222434500 is an apocalyptic number.

222434500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222434500 is an abundant number, since it is smaller than the sum of its proper divisors (263363540).

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

222434500 is a wasteful number, since it uses less digits than its factorization.

222434500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444888 (or 444876 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 222434500 is about 14914.2381635805. The cubic root of 222434500 is about 605.8996700585.

Adding to 222434500 its reverse (5434222), we get a palindrome (227868722).

The spelling of 222434500 in words is "two hundred twenty-two million, four hundred thirty-four thousand, five hundred".