140022444 has 24 divisors (see below), whose sum is σ = 330856960. Its totient is φ = 46083024.

The previous prime is 140022439. The next prime is 140022479. The reversal of 140022444 is 444220041.

It is a self number, because there is not a number n which added to its sum of digits gives 140022444.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72904 + ... + 74799.

Almost surely, 2^140022444 is an apocalyptic number.

It is an amenable number.

140022444 is an abundant number, since it is smaller than the sum of its proper divisors (190834516).

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

140022444 is a wasteful number, since it uses less digits than its factorization.

140022444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147789 (or 147787 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 140022444 is about 11833.1079602951. The cubic root of 140022444 is about 519.2771564019.

Adding to 140022444 its reverse (444220041), we get a palindrome (584242485).

The spelling of 140022444 in words is "one hundred forty million, twenty-two thousand, four hundred forty-four".