140234422 has 8 divisors (see below), whose sum is σ = 210429000. Its totient is φ = 70091424.

The previous prime is 140234389. The next prime is 140234431. The reversal of 140234422 is 224432041.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×140234422² = 39331386227348168, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 140234393 and 140234402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5172 + ... + 17527.

It is an arithmetic number, because the mean of its divisors is an integer number (26303625).

Almost surely, 2^140234422 is an apocalyptic number.

140234422 is a deficient number, since it is larger than the sum of its proper divisors (70194578).

140234422 is a wasteful number, since it uses less digits than its factorization.

140234422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25790.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 140234422 is about 11842.0615603872. The cubic root of 140234422 is about 519.5390663963.

Adding to 140234422 its reverse (224432041), we get a palindrome (364666463).

The spelling of 140234422 in words is "one hundred forty million, two hundred thirty-four thousand, four hundred twenty-two".