22234774 has 4 divisors (see below), whose sum is σ = 33352164. Its totient is φ = 11117386.

The previous prime is 22234763. The next prime is 22234783. The reversal of 22234774 is 47743222.

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

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5558692 + ... + 5558695.

It is an arithmetic number, because the mean of its divisors is an integer number (8338041).

Almost surely, 2^22234774 is an apocalyptic number.

22234774 is a deficient number, since it is larger than the sum of its proper divisors (11117390).

22234774 is a wasteful number, since it uses less digits than its factorization.

22234774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11117389.

The product of its digits is 18816, while the sum is 31.

The square root of 22234774 is about 4715.3763370488. The cubic root of 22234774 is about 281.1971447013.

Adding to 22234774 its reverse (47743222), we get a palindrome (69977996).

The spelling of 22234774 in words is "twenty-two million, two hundred thirty-four thousand, seven hundred seventy-four".