22224434 has 4 divisors (see below), whose sum is σ = 33336654. Its totient is φ = 11112216.

The previous prime is 22224431. The next prime is 22224443. The reversal of 22224434 is 43442222.

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

It can be written as a sum of positive squares in only one way, i.e., 21132409 + 1092025 = 4597^2 + 1045^2 .

It is not an unprimeable number, because it can be changed into a prime (22224431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5556107 + ... + 5556110.

Almost surely, 2^22224434 is an apocalyptic number.

22224434 is a deficient number, since it is larger than the sum of its proper divisors (11112220).

22224434 is a wasteful number, since it uses less digits than its factorization.

22224434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11112219.

The product of its digits is 3072, while the sum is 23.

The square root of 22224434 is about 4714.2797965331. The cubic root of 22224434 is about 281.1535488859.

Adding to 22224434 its reverse (43442222), we get a palindrome (65666656).

The spelling of 22224434 in words is "twenty-two million, two hundred twenty-four thousand, four hundred thirty-four".