22051234 has 8 divisors (see below), whose sum is σ = 33223248. Its totient is φ = 10976820.

The previous prime is 22051231. The next prime is 22051247. The reversal of 22051234 is 43215022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (22051231) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 23832 + ... + 24739.

It is an arithmetic number, because the mean of its divisors is an integer number (4152906).

Almost surely, 2^22051234 is an apocalyptic number.

22051234 is a deficient number, since it is larger than the sum of its proper divisors (11172014).

22051234 is a wasteful number, since it uses less digits than its factorization.

22051234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48800.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 22051234 is about 4695.8741465248. The cubic root of 22051234 is about 280.4212791043.

Adding to 22051234 its reverse (43215022), we get a palindrome (65266256).

The spelling of 22051234 in words is "twenty-two million, fifty-one thousand, two hundred thirty-four".