22813453 has 8 divisors (see below), whose sum is σ = 24607800. Its totient is φ = 21024768.

The previous prime is 22813411. The next prime is 22813481. The reversal of 22813453 is 35431822.

It can be written as a sum of positive squares in 4 ways, for example, as 412164 + 22401289 = 642^2 + 4733^2 .

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 22813453 - 2²¹ = 20716301 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 (22813853) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11133 + ... + 13021.

It is an arithmetic number, because the mean of its divisors is an integer number (3075975).

Almost surely, 2^22813453 is an apocalyptic number.

It is an amenable number.

22813453 is a deficient number, since it is larger than the sum of its proper divisors (1794347).

22813453 is a wasteful number, since it uses less digits than its factorization.

22813453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2831.

The product of its digits is 5760, while the sum is 28.

The square root of 22813453 is about 4776.3430571934. The cubic root of 22813453 is about 283.6157477812.

The spelling of 22813453 in words is "twenty-two million, eight hundred thirteen thousand, four hundred fifty-three".