140222444 has 24 divisors (see below), whose sum is σ = 259676928. Its totient is φ = 66115280.

The previous prime is 140222431. The next prime is 140222447. The reversal of 140222444 is 444222041.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is not an unprimeable number, because it can be changed into a prime (140222447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4202 + ... + 17265.

It is an arithmetic number, because the mean of its divisors is an integer number (10819872).

Almost surely, 2^140222444 is an apocalyptic number.

It is an amenable number.

140222444 is a deficient number, since it is larger than the sum of its proper divisors (119454484).

140222444 is a wasteful number, since it uses less digits than its factorization.

140222444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21565 (or 21563 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 23.

The square root of 140222444 is about 11841.5558099432. Note that the first 3 decimals coincide. The cubic root of 140222444 is about 519.5242739841.

Adding to 140222444 its reverse (444222041), we get a palindrome (584444485).

The spelling of 140222444 in words is "one hundred forty million, two hundred twenty-two thousand, four hundred forty-four".