22723255 has 8 divisors (see below), whose sum is σ = 27298224. Its totient is φ = 18158400.

The previous prime is 22723199. The next prime is 22723277. The reversal of 22723255 is 55232722.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22723255 - 2²³ = 14334647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3915 + ... + 7795.

It is an arithmetic number, because the mean of its divisors is an integer number (3412278).

Almost surely, 2^22723255 is an apocalyptic number.

22723255 is a deficient number, since it is larger than the sum of its proper divisors (4574969).

22723255 is a wasteful number, since it uses less digits than its factorization.

22723255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5057.

The product of its digits is 8400, while the sum is 28.

The square root of 22723255 is about 4766.8915448120. The cubic root of 22723255 is about 283.2414750281.

Adding to 22723255 its reverse (55232722), we get a palindrome (77955977).

The spelling of 22723255 in words is "twenty-two million, seven hundred twenty-three thousand, two hundred fifty-five".