22143374 has 16 divisors (see below), whose sum is σ = 36443520. Its totient is φ = 10007160.

The previous prime is 22143371. The next prime is 22143383. The reversal of 22143374 is 47334122.

It is a plaindrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22143371) 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, 1127 + ... + 6749.

It is an arithmetic number, because the mean of its divisors is an integer number (2277720).

Almost surely, 2^22143374 is an apocalyptic number.

22143374 is a deficient number, since it is larger than the sum of its proper divisors (14300146).

22143374 is a wasteful number, since it uses less digits than its factorization.

22143374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5815.

The product of its digits is 4032, while the sum is 26.

The square root of 22143374 is about 4705.6746593873. The cubic root of 22143374 is about 280.8113118848.

Adding to 22143374 its reverse (47334122), we get a palindrome (69477496).

The spelling of 22143374 in words is "twenty-two million, one hundred forty-three thousand, three hundred seventy-four".