22460143 has 4 divisors (see below), whose sum is σ = 22512448. Its totient is φ = 22407840.

The previous prime is 22460131. The next prime is 22460153. The reversal of 22460143 is 34106422.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22460143 - 2¹⁷ = 22329071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22460153) 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 3 ways as a sum of consecutive naturals, for example, 25503 + ... + 26368.

It is an arithmetic number, because the mean of its divisors is an integer number (5628112).

Almost surely, 2^22460143 is an apocalyptic number.

22460143 is a deficient number, since it is larger than the sum of its proper divisors (52305).

22460143 is an equidigital number, since it uses as much as digits as its factorization.

22460143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52304.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 22460143 is about 4739.2133313452. The cubic root of 22460143 is about 282.1440129236.

Adding to 22460143 its reverse (34106422), we get a palindrome (56566565).

The spelling of 22460143 in words is "twenty-two million, four hundred sixty thousand, one hundred forty-three".