140422232 has 8 divisors (see below), whose sum is σ = 263291700. Its totient is φ = 70211112.

The previous prime is 140422223. The next prime is 140422237. The reversal of 140422232 is 232224041.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140422237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8776382 + ... + 8776397.

Almost surely, 2^140422232 is an apocalyptic number.

It is an amenable number.

140422232 is a deficient number, since it is larger than the sum of its proper divisors (122869468).

140422232 is a wasteful number, since it uses less digits than its factorization.

140422232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17552785 (or 17552781 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 140422232 is about 11849.9886919777. The cubic root of 140422232 is about 519.7708951296.

Adding to 140422232 its reverse (232224041), we get a palindrome (372646273).

The spelling of 140422232 in words is "one hundred forty million, four hundred twenty-two thousand, two hundred thirty-two".