222303140 has 24 divisors (see below), whose sum is σ = 467130552. Its totient is φ = 88865280.

The previous prime is 222303113. The next prime is 222303217. The reversal of 222303140 is 41303222.

It can be written as a sum of positive squares in 4 ways, for example, as 52678564 + 169624576 = 7258^2 + 13024^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46460 + ... + 51020.

It is an arithmetic number, because the mean of its divisors is an integer number (19463773).

Almost surely, 2^222303140 is an apocalyptic number.

222303140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222303140 is an abundant number, since it is smaller than the sum of its proper divisors (244827412).

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

222303140 is a wasteful number, since it uses less digits than its factorization.

222303140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7007 (or 7005 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 222303140 is about 14909.8336677510. The cubic root of 222303140 is about 605.7803740359.

Adding to 222303140 its reverse (41303222), we get a palindrome (263606362).

The spelling of 222303140 in words is "two hundred twenty-two million, three hundred three thousand, one hundred forty".