140023322 has 8 divisors (see below), whose sum is σ = 222390036. Its totient is φ = 65893312.

The previous prime is 140023309. The next prime is 140023327. The reversal of 140023322 is 223320041.

It can be written as a sum of positive squares in 2 ways, for example, as 108764041 + 31259281 = 10429^2 + 5591^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 140023322.

It is not an unprimeable number, because it can be changed into a prime (140023327) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2059133 + ... + 2059200.

Almost surely, 2^140023322 is an apocalyptic number.

140023322 is a deficient number, since it is larger than the sum of its proper divisors (82366714).

140023322 is a wasteful number, since it uses less digits than its factorization.

140023322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4118352.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 140023322 is about 11833.1450595351. The cubic root of 140023322 is about 519.2782417622.

Adding to 140023322 its reverse (223320041), we get a palindrome (363343363).

The spelling of 140023322 in words is "one hundred forty million, twenty-three thousand, three hundred twenty-two".