20221234 has 8 divisors (see below), whose sum is σ = 33089328. Its totient is φ = 9191460.

The previous prime is 20221231. The next prime is 20221259. The reversal of 20221234 is 43212202.

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 (20221231) 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, 459552 + ... + 459595.

It is an arithmetic number, because the mean of its divisors is an integer number (4136166).

Almost surely, 2^20221234 is an apocalyptic number.

20221234 is a deficient number, since it is larger than the sum of its proper divisors (12868094).

20221234 is a wasteful number, since it uses less digits than its factorization.

20221234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 919160.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 20221234 is about 4496.8026418779. The cubic root of 20221234 is about 272.4389628465.

Adding to 20221234 its reverse (43212202), we get a palindrome (63433436).

The spelling of 20221234 in words is "twenty million, two hundred twenty-one thousand, two hundred thirty-four".