140222838 has 16 divisors (see below), whose sum is σ = 320509440. Its totient is φ = 40063656.

The previous prime is 140222837. The next prime is 140222839. The reversal of 140222838 is 838222041.

140222838 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (140222837) and next prime (140222839).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140222837) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1669278 + ... + 1669361.

It is an arithmetic number, because the mean of its divisors is an integer number (20031840).

Almost surely, 2^140222838 is an apocalyptic number.

140222838 is an abundant number, since it is smaller than the sum of its proper divisors (180286602).

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

140222838 is a wasteful number, since it uses less digits than its factorization.

140222838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3338651.

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 140222838 is about 11841.5724462590. The cubic root of 140222838 is about 519.5247605737.

Adding to 140222838 its reverse (838222041), we get a palindrome (978444879).

The spelling of 140222838 in words is "one hundred forty million, two hundred twenty-two thousand, eight hundred thirty-eight".