20221235 has 8 divisors (see below), whose sum is σ = 24573120. Its totient is φ = 15971904.

The previous prime is 20221231. The next prime is 20221259. The reversal of 20221235 is 53212202.

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

It is not a de Polignac number, because 20221235 - 2² = 20221231 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20221231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25202 + ... + 25991.

It is an arithmetic number, because the mean of its divisors is an integer number (3071640).

Almost surely, 2^20221235 is an apocalyptic number.

20221235 is a deficient number, since it is larger than the sum of its proper divisors (4351885).

20221235 is an equidigital number, since it uses as much as digits as its factorization.

20221235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51277.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 20221235 is about 4496.8027530680. The cubic root of 20221235 is about 272.4389673374.

Adding to 20221235 its reverse (53212202), we get a palindrome (73433437).

The spelling of 20221235 in words is "twenty million, two hundred twenty-one thousand, two hundred thirty-five".