22463453 has 4 divisors (see below), whose sum is σ = 23645760. Its totient is φ = 21281148.

The previous prime is 22463447. The next prime is 22463489. The reversal of 22463453 is 35436422.

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.

It is a cyclic number.

It is not a de Polignac number, because 22463453 - 2¹² = 22459357 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 (22463423) 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, 591125 + ... + 591162.

It is an arithmetic number, because the mean of its divisors is an integer number (5911440).

Almost surely, 2^22463453 is an apocalyptic number.

It is an amenable number.

22463453 is a deficient number, since it is larger than the sum of its proper divisors (1182307).

22463453 is a wasteful number, since it uses less digits than its factorization.

22463453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1182306.

The product of its digits is 17280, while the sum is 29.

The square root of 22463453 is about 4739.5625325551. The cubic root of 22463453 is about 282.1578723012.

Adding to 22463453 its reverse (35436422), we get a palindrome (57899875).

The spelling of 22463453 in words is "twenty-two million, four hundred sixty-three thousand, four hundred fifty-three".