22221235 has 8 divisors (see below), whose sum is σ = 26858160. Its totient is φ = 17648544.

The previous prime is 22221233. The next prime is 22221247. The reversal of 22221235 is 53212222.

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

It is a cyclic number.

It is not a de Polignac number, because 22221235 - 2¹ = 22221233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22221233) 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, 15292 + ... + 16681.

It is an arithmetic number, because the mean of its divisors is an integer number (3357270).

Almost surely, 2^22221235 is an apocalyptic number.

22221235 is a deficient number, since it is larger than the sum of its proper divisors (4636925).

22221235 is a wasteful number, since it uses less digits than its factorization.

22221235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32117.

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

The square root of 22221235 is about 4713.9404960182. The cubic root of 22221235 is about 281.1400584282.

Adding to 22221235 its reverse (53212222), we get a palindrome (75433457).

The spelling of 22221235 in words is "twenty-two million, two hundred twenty-one thousand, two hundred thirty-five".