22849143 has 8 divisors (see below), whose sum is σ = 31790208. Its totient is φ = 14570424.

The previous prime is 22849133. The next prime is 22849157. The reversal of 22849143 is 34194822.

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

It is not a de Polignac number, because 22849143 - 2²⁴ = 6071927 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22849103) 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, 165505 + ... + 165642.

It is an arithmetic number, because the mean of its divisors is an integer number (3973776).

Almost surely, 2^22849143 is an apocalyptic number.

22849143 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

22849143 is a deficient number, since it is larger than the sum of its proper divisors (8941065).

22849143 is a wasteful number, since it uses less digits than its factorization.

22849143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331173.

The product of its digits is 13824, while the sum is 33.

The square root of 22849143 is about 4780.0777190334. The cubic root of 22849143 is about 283.7635695090.

The spelling of 22849143 in words is "twenty-two million, eight hundred forty-nine thousand, one hundred forty-three".