140043222 has 48 divisors (see below), whose sum is σ = 342086640. Its totient is φ = 42435360.

The previous prime is 140043209. The next prime is 140043247. The reversal of 140043222 is 222340041.

140043222 is a `hidden beast` number, since 1 + 400 + 43 + 222 = 666.

140043222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×140043222² = 39224208056282568, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 140043195 and 140043204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4183 + ... + 17250.

It is an arithmetic number, because the mean of its divisors is an integer number (7126805).

Almost surely, 2^140043222 is an apocalyptic number.

140043222 is an abundant number, since it is smaller than the sum of its proper divisors (202043418).

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

140043222 is a wasteful number, since it uses less digits than its factorization.

140043222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21466 (or 21449 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 140043222 is about 11833.9858881106. The cubic root of 140043222 is about 519.3028403966.

Adding to 140043222 its reverse (222340041), we get a palindrome (362383263).

The spelling of 140043222 in words is "one hundred forty million, forty-three thousand, two hundred twenty-two".