140543222 has 16 divisors (see below), whose sum is σ = 221162400. Its totient is φ = 66890880.

The previous prime is 140543213. The next prime is 140543237. The reversal of 140543222 is 222345041.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12947 + ... + 21182.

It is an arithmetic number, because the mean of its divisors is an integer number (13822650).

Almost surely, 2^140543222 is an apocalyptic number.

140543222 is a deficient number, since it is larger than the sum of its proper divisors (80619178).

140543222 is a wasteful number, since it uses less digits than its factorization.

140543222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34231.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 140543222 is about 11855.0926609622. The cubic root of 140543222 is about 519.9201331974.

Adding to 140543222 its reverse (222345041), we get a palindrome (362888263).

The spelling of 140543222 in words is "one hundred forty million, five hundred forty-three thousand, two hundred twenty-two".