140522223 has 8 divisors (see below), whose sum is σ = 190434736. Its totient is φ = 92145600.

The previous prime is 140522219. The next prime is 140522227. The reversal of 140522223 is 322225041.

It is an interprime number because it is at equal distance from previous prime (140522219) and next prime (140522227).

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

It is not a de Polignac number, because 140522223 - 2² = 140522219 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 140522223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140522227) 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, 383758 + ... + 384123.

It is an arithmetic number, because the mean of its divisors is an integer number (23804342).

Almost surely, 2^140522223 is an apocalyptic number.

140522223 is a deficient number, since it is larger than the sum of its proper divisors (49912513).

140522223 is an equidigital number, since it uses as much as digits as its factorization.

140522223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 767945.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 140522223 is about 11854.2069747411. The cubic root of 140522223 is about 519.8942376128.

Adding to 140522223 its reverse (322225041), we get a palindrome (462747264).

The spelling of 140522223 in words is "one hundred forty million, five hundred twenty-two thousand, two hundred twenty-three".