22305253 has 4 divisors (see below), whose sum is σ = 22328928. Its totient is φ = 22281580.

The previous prime is 22305251. The next prime is 22305277. The reversal of 22305253 is 35250322.

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 an emirpimes, since its reverse is a distinct semiprime: 35250322 = 2 ⋅17625161.

It is a cyclic number.

It is not a de Polignac number, because 22305253 - 2¹ = 22305251 is a prime.

It is a super-2 number, since 2×22305253² = 995048622788018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22305251) 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 3 ways as a sum of consecutive naturals, for example, 10363 + ... + 12328.

It is an arithmetic number, because the mean of its divisors is an integer number (5582232).

Almost surely, 2^22305253 is an apocalyptic number.

It is an amenable number.

22305253 is a deficient number, since it is larger than the sum of its proper divisors (23675).

22305253 is an equidigital number, since it uses as much as digits as its factorization.

22305253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23674.

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

The square root of 22305253 is about 4722.8437407985. The cubic root of 22305253 is about 281.4939409174.

Adding to 22305253 its reverse (35250322), we get a palindrome (57555575).

The spelling of 22305253 in words is "twenty-two million, three hundred five thousand, two hundred fifty-three".