140422344 has 32 divisors (see below), whose sum is σ = 351841920. Its totient is φ = 46702656.

The previous prime is 140422339. The next prime is 140422351. The reversal of 140422344 is 443224041.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 4794 + ... + 17430.

It is an arithmetic number, because the mean of its divisors is an integer number (10995060).

Almost surely, 2^140422344 is an apocalyptic number.

It is an amenable number.

140422344 is an abundant number, since it is smaller than the sum of its proper divisors (211419576).

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

140422344 is a wasteful number, since it uses less digits than its factorization.

140422344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13109 (or 13105 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 140422344 is about 11849.9934177197. The cubic root of 140422344 is about 519.7710333184.

Adding to 140422344 its reverse (443224041), we get a palindrome (583646385).

The spelling of 140422344 in words is "one hundred forty million, four hundred twenty-two thousand, three hundred forty-four".