22152253 has 4 divisors (see below), whose sum is σ = 22163968. Its totient is φ = 22140540.

The previous prime is 22152239. The next prime is 22152281. The reversal of 22152253 is 35225122.

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 a de Polignac number, because none of the positive numbers 2^k-22152253 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 (22152223) 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, 2301 + ... + 7042.

It is an arithmetic number, because the mean of its divisors is an integer number (5540992).

Almost surely, 2^22152253 is an apocalyptic number.

It is an amenable number.

22152253 is a deficient number, since it is larger than the sum of its proper divisors (11715).

22152253 is an equidigital number, since it uses as much as digits as its factorization.

22152253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11714.

The product of its digits is 1200, while the sum is 22.

The square root of 22152253 is about 4706.6180002205. The cubic root of 22152253 is about 280.8488398975.

Adding to 22152253 its reverse (35225122), we get a palindrome (57377375).

The spelling of 22152253 in words is "twenty-two million, one hundred fifty-two thousand, two hundred fifty-three".