22230553 has 4 divisors (see below), whose sum is σ = 22240000. Its totient is φ = 22221108.

The previous prime is 22230529. The next prime is 22230583. The reversal of 22230553 is 35503222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 22230553 - 2²¹ = 20133401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22230583) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1948 + ... + 6946.

It is an arithmetic number, because the mean of its divisors is an integer number (5560000).

Almost surely, 2^22230553 is an apocalyptic number.

It is an amenable number.

22230553 is a deficient number, since it is larger than the sum of its proper divisors (9447).

22230553 is an equidigital number, since it uses as much as digits as its factorization.

22230553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9446.

The product of its (nonzero) digits is 1800, while the sum is 22.

The square root of 22230553 is about 4714.9287375315. The cubic root of 22230553 is about 281.1793496285.

Adding to 22230553 its reverse (35503222), we get a palindrome (57733775).

The spelling of 22230553 in words is "twenty-two million, two hundred thirty thousand, five hundred fifty-three".