140822444 has 24 divisors (see below), whose sum is σ = 289259040. Its totient is φ = 58720896.

The previous prime is 140822419. The next prime is 140822447. The reversal of 140822444 is 444228041.

It is not an unprimeable number, because it can be changed into a prime (140822447) 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 in 7 ways as a sum of consecutive naturals, for example, 66929 + ... + 69000.

It is an arithmetic number, because the mean of its divisors is an integer number (12052460).

Almost surely, 2^140822444 is an apocalyptic number.

140822444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

140822444 is an abundant number, since it is smaller than the sum of its proper divisors (148436596).

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

140822444 is a wasteful number, since it uses less digits than its factorization.

140822444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135977 (or 135975 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 29.

The square root of 140822444 is about 11866.8632755248. The cubic root of 140822444 is about 520.2642197666.

The spelling of 140822444 in words is "one hundred forty million, eight hundred twenty-two thousand, four hundred forty-four".