22555223 has 4 divisors (see below), whose sum is σ = 23742360. Its totient is φ = 21368088.

The previous prime is 22555217. The next prime is 22555229. The reversal of 22555223 is 32255522.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (22555217) and next prime (22555229).

It is a cyclic number.

It is not a de Polignac number, because 22555223 - 2⁸ = 22554967 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22555192 and 22555201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22555229) 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, 593540 + ... + 593577.

It is an arithmetic number, because the mean of its divisors is an integer number (5935590).

Almost surely, 2^22555223 is an apocalyptic number.

22555223 is a deficient number, since it is larger than the sum of its proper divisors (1187137).

22555223 is a wasteful number, since it uses less digits than its factorization.

22555223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1187136.

The product of its digits is 6000, while the sum is 26.

The square root of 22555223 is about 4749.2339382262. The cubic root of 22555223 is about 282.5415836664.

The spelling of 22555223 in words is "twenty-two million, five hundred fifty-five thousand, two hundred twenty-three".