22200143 has 4 divisors (see below), whose sum is σ = 25371600. Its totient is φ = 19028688.

The previous prime is 22200137. The next prime is 22200149. The reversal of 22200143 is 34100222.

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

It is an interprime number because it is at equal distance from previous prime (22200137) and next prime (22200149).

It is not a de Polignac number, because 22200143 - 2⁸ = 22199887 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 (22200149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1585718 + ... + 1585731.

It is an arithmetic number, because the mean of its divisors is an integer number (6342900).

Almost surely, 2^22200143 is an apocalyptic number.

22200143 is a deficient number, since it is larger than the sum of its proper divisors (3171457).

22200143 is an equidigital number, since it uses as much as digits as its factorization.

22200143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3171456.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 22200143 is about 4711.7027707613. The cubic root of 22200143 is about 281.0510792265.

Adding to 22200143 its reverse (34100222), we get a palindrome (56300365).

The spelling of 22200143 in words is "twenty-two million, two hundred thousand, one hundred forty-three".