222441140 has 24 divisors (see below), whose sum is σ = 467419680. Its totient is φ = 88920608.

The previous prime is 222441133. The next prime is 222441143. The reversal of 222441140 is 41144222.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222441143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46919 + ... + 51441.

It is an arithmetic number, because the mean of its divisors is an integer number (19475820).

Almost surely, 2^222441140 is an apocalyptic number.

222441140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222441140 is an abundant number, since it is smaller than the sum of its proper divisors (244978540).

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

222441140 is a wasteful number, since it uses less digits than its factorization.

222441140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6991 (or 6989 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 222441140 is about 14914.4607679929. The cubic root of 222441140 is about 605.9056990001.

Adding to 222441140 its reverse (41144222), we get a palindrome (263585362).

The spelling of 222441140 in words is "two hundred twenty-two million, four hundred forty-one thousand, one hundred forty".