22140283 has 8 divisors (see below), whose sum is σ = 25203456. Its totient is φ = 19252200.

The previous prime is 22140277. The next prime is 22140299. The reversal of 22140283 is 38204122.

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

It is not a de Polignac number, because 22140283 - 2¹³ = 22132091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22140233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43503 + ... + 44008.

It is an arithmetic number, because the mean of its divisors is an integer number (3150432).

Almost surely, 2^22140283 is an apocalyptic number.

22140283 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

22140283 is a deficient number, since it is larger than the sum of its proper divisors (3063173).

22140283 is a wasteful number, since it uses less digits than its factorization.

22140283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87545.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 22140283 is about 4705.3462146796. The cubic root of 22140283 is about 280.7982450993.

It can be divided in two parts, 221 and 40283, that added together give a palindrome (40504).

The spelling of 22140283 in words is "twenty-two million, one hundred forty thousand, two hundred eighty-three".