22553223 has 32 divisors (see below), whose sum is σ = 37946880. Its totient is φ = 11573760.

The previous prime is 22553191. The next prime is 22553227. The reversal of 22553223 is 32235522.

It is not a de Polignac number, because 22553223 - 2⁵ = 22553191 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22553193 and 22553202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22553227) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20011 + ... + 21107.

It is an arithmetic number, because the mean of its divisors is an integer number (1185840).

Almost surely, 2^22553223 is an apocalyptic number.

22553223 is a deficient number, since it is larger than the sum of its proper divisors (15393657).

22553223 is a wasteful number, since it uses less digits than its factorization.

22553223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1207.

The product of its digits is 3600, while the sum is 24.

The square root of 22553223 is about 4749.0233732842. The cubic root of 22553223 is about 282.5332323137.

Adding to 22553223 its reverse (32235522), we get a palindrome (54788745).

The spelling of 22553223 in words is "twenty-two million, five hundred fifty-three thousand, two hundred twenty-three".