22254123 has 16 divisors (see below), whose sum is σ = 30267776. Its totient is φ = 14541120.

The previous prime is 22254121. The next prime is 22254157. The reversal of 22254123 is 32145222.

It is not a de Polignac number, because 22254123 - 2¹ = 22254121 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22254123.

It is not an unprimeable number, because it can be changed into a prime (22254121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67068 + ... + 67398.

It is an arithmetic number, because the mean of its divisors is an integer number (1891736).

Almost surely, 2^22254123 is an apocalyptic number.

22254123 is a deficient number, since it is larger than the sum of its proper divisors (8013653).

22254123 is a wasteful number, since it uses less digits than its factorization.

22254123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 714.

The product of its digits is 960, while the sum is 21.

The square root of 22254123 is about 4717.4275829100. The cubic root of 22254123 is about 281.2786882341.

Adding to 22254123 its reverse (32145222), we get a palindrome (54399345).

It can be divided in two parts, 222 and 54123, that added together give a palindrome (54345).

The spelling of 22254123 in words is "twenty-two million, two hundred fifty-four thousand, one hundred twenty-three".