254223444 has 12 divisors (see below), whose sum is σ = 593188064. Its totient is φ = 84741144.

The previous prime is 254223443. The next prime is 254223451. The reversal of 254223444 is 444322452.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×254223444² = 129259118958442272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254223443) 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, 10592632 + ... + 10592655.

Almost surely, 2^254223444 is an apocalyptic number.

It is an amenable number.

254223444 is an abundant number, since it is smaller than the sum of its proper divisors (338964620).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

254223444 is a wasteful number, since it uses less digits than its factorization.

254223444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21185294 (or 21185292 counting only the distinct ones).

The product of its digits is 30720, while the sum is 30.

The square root of 254223444 is about 15944.3859712439. The cubic root of 254223444 is about 633.4882042927.

Adding to 254223444 its reverse (444322452), we get a palindrome (698545896).

The spelling of 254223444 in words is "two hundred fifty-four million, two hundred twenty-three thousand, four hundred forty-four".