20221226 has 8 divisors (see below), whose sum is σ = 30759264. Its totient is φ = 9968140.

The previous prime is 20221213. The next prime is 20221231. The reversal of 20221226 is 62212202.

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

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 3 ways as a sum of consecutive naturals, for example, 71060 + ... + 71343.

It is an arithmetic number, because the mean of its divisors is an integer number (3844908).

Almost surely, 2^20221226 is an apocalyptic number.

20221226 is a deficient number, since it is larger than the sum of its proper divisors (10538038).

20221226 is a wasteful number, since it uses less digits than its factorization.

20221226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142476.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 20221226 is about 4496.8017523569. The cubic root of 20221226 is about 272.4389269187.

Adding to 20221226 its reverse (62212202), we get a palindrome (82433428).

The spelling of 20221226 in words is "twenty million, two hundred twenty-one thousand, two hundred twenty-six".