140822 has 16 divisors (see below), whose sum is σ = 238032. Its totient is φ = 61920.

The previous prime is 140813. The next prime is 140827. The reversal of 140822 is 228041.

It is a self number, because there is not a number n which added to its sum of digits gives 140822.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 728 + ... + 900.

It is an arithmetic number, because the mean of its divisors is an integer number (14877).

2¹⁴⁰⁸²² is an apocalyptic number.

140822 is a deficient number, since it is larger than the sum of its proper divisors (97210).

140822 is a wasteful number, since it uses less digits than its factorization.

140822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 140822 is about 375.2625747393. The cubic root of 140822 is about 52.0263672985.

Adding to 140822 its reverse (228041), we get a palindrome (368863).

It can be divided in two parts, 1408 and 22, that multiplied together give a square (30976 = 176²).

The spelling of 140822 in words is "one hundred forty thousand, eight hundred twenty-two".