22130453 has 8 divisors (see below), whose sum is σ = 22458072. Its totient is φ = 21805056.

The previous prime is 22130441. The next prime is 22130483. The reversal of 22130453 is 35403122.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 7091569 + 15038884 = 2663^2 + 3878^2 .

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 22130453 - 2¹⁴ = 22114069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22130483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32351 + ... + 33027.

It is an arithmetic number, because the mean of its divisors is an integer number (2807259).

Almost surely, 2^22130453 is an apocalyptic number.

It is an amenable number.

22130453 is a deficient number, since it is larger than the sum of its proper divisors (327619).

22130453 is an equidigital number, since it uses as much as digits as its factorization.

22130453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1111.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 22130453 is about 4704.3015422058. The cubic root of 22130453 is about 280.7566820149.

Adding to 22130453 its reverse (35403122), we get a palindrome (57533575).

The spelling of 22130453 in words is "twenty-two million, one hundred thirty thousand, four hundred fifty-three".