22255723 has 4 divisors (see below), whose sum is σ = 25435120. Its totient is φ = 19076328.

The previous prime is 22255693. The next prime is 22255741. The reversal of 22255723 is 32755222.

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

It is a cyclic number.

It is not a de Polignac number, because 22255723 - 2⁵ = 22255691 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22255691 and 22255700.

It is not an unprimeable number, because it can be changed into a prime (22255763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1589688 + ... + 1589701.

It is an arithmetic number, because the mean of its divisors is an integer number (6358780).

Almost surely, 2^22255723 is an apocalyptic number.

22255723 is a deficient number, since it is larger than the sum of its proper divisors (3179397).

22255723 is an equidigital number, since it uses as much as digits as its factorization.

22255723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3179396.

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

The square root of 22255723 is about 4717.5971638113. The cubic root of 22255723 is about 281.2854290841.

It can be divided in two parts, 222 and 55723, that added together give a triangular number (55945 = T₃₃₄).

The spelling of 22255723 in words is "twenty-two million, two hundred fifty-five thousand, seven hundred twenty-three".