22424432234 has 4 divisors (see below), whose sum is σ = 33636648354. Its totient is φ = 11212216116.

The previous prime is 22424432221. The next prime is 22424432243. The reversal of 22424432234 is 43223442422.

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., 21992000209 + 432432025 = 148297^2 + 20795^2 .

It is a super-2 number, since 2×22424432234² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22424432234.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5606108057 + ... + 5606108060.

Almost surely, 2^22424432234 is an apocalyptic number.

22424432234 is a deficient number, since it is larger than the sum of its proper divisors (11212216120).

22424432234 is a wasteful number, since it uses less digits than its factorization.

22424432234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11212216119.

The product of its digits is 73728, while the sum is 32.

Adding to 22424432234 its reverse (43223442422), we get a palindrome (65647874656).

The spelling of 22424432234 in words is "twenty-two billion, four hundred twenty-four million, four hundred thirty-two thousand, two hundred thirty-four".