22743146 has 8 divisors (see below), whose sum is σ = 34595424. Its totient is φ = 11211340.

The previous prime is 22743139. The next prime is 22743157. The reversal of 22743146 is 64134722.

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

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79940 + ... + 80223.

It is an arithmetic number, because the mean of its divisors is an integer number (4324428).

Almost surely, 2^22743146 is an apocalyptic number.

22743146 is a deficient number, since it is larger than the sum of its proper divisors (11852278).

22743146 is a wasteful number, since it uses less digits than its factorization.

22743146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160236.

The product of its digits is 8064, while the sum is 29.

The square root of 22743146 is about 4768.9774585334. The cubic root of 22743146 is about 283.3240968923.

Adding to 22743146 its reverse (64134722), we get a palindrome (86877868).

The spelling of 22743146 in words is "twenty-two million, seven hundred forty-three thousand, one hundred forty-six".