22043434 has 24 divisors (see below), whose sum is σ = 39365568. Its totient is φ = 9225720.

The previous prime is 22043419. The next prime is 22043443. The reversal of 22043434 is 43434022.

It is a super-4 number, since 4×22043434⁴ (a number of 30 digits) contains 4444 as substring.

It is a congruent 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 11 ways as a sum of consecutive naturals, for example, 1599 + ... + 6829.

It is an arithmetic number, because the mean of its divisors is an integer number (1640232).

Almost surely, 2^22043434 is an apocalyptic number.

22043434 is a deficient number, since it is larger than the sum of its proper divisors (17322134).

22043434 is a wasteful number, since it uses less digits than its factorization.

22043434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5290 (or 5283 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 22043434 is about 4695.0435567735. The cubic root of 22043434 is about 280.3882115078.

Adding to 22043434 its reverse (43434022), we get a palindrome (65477456).

The spelling of 22043434 in words is "twenty-two million, forty-three thousand, four hundred thirty-four".