140233222 has 4 divisors (see below), whose sum is σ = 210349836. Its totient is φ = 70116610.

The previous prime is 140233217. The next prime is 140233229. The reversal of 140233222 is 222332041.

140233222 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 222332041 = 953 ⋅233297.

It is a self number, because there is not a number n which added to its sum of digits gives 140233222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140233229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35058304 + ... + 35058307.

It is an arithmetic number, because the mean of its divisors is an integer number (52587459).

Almost surely, 2^140233222 is an apocalyptic number.

140233222 is a deficient number, since it is larger than the sum of its proper divisors (70116614).

140233222 is an equidigital number, since it uses as much as digits as its factorization.

140233222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70116613.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 140233222 is about 11842.0108934252. The cubic root of 140233222 is about 519.5375844761.

Adding to 140233222 its reverse (222332041), we get a palindrome (362565263).

The spelling of 140233222 in words is "one hundred forty million, two hundred thirty-three thousand, two hundred twenty-two".