254221224 has 16 divisors (see below), whose sum is σ = 635553120. Its totient is φ = 84740400.

The previous prime is 254221223. The next prime is 254221237. The reversal of 254221224 is 422122452.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 10592551 = 254221224 / (2 + 5 + 4 + 2 + 2 + 1 + 2 + 2 + 4).

It is a junction number, because it is equal to n+sod(n) for n = 254221194 and 254221203.

It is not an unprimeable number, because it can be changed into a prime (254221223) 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, 5296252 + ... + 5296299.

It is an arithmetic number, because the mean of its divisors is an integer number (39722070).

Almost surely, 2^254221224 is an apocalyptic number.

254221224 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

254221224 is an abundant number, since it is smaller than the sum of its proper divisors (381331896).

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

254221224 is a wasteful number, since it uses less digits than its factorization.

254221224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10592560 (or 10592556 counting only the distinct ones).

The product of its digits is 2560, while the sum is 24.

The square root of 254221224 is about 15944.3163541119. The cubic root of 254221224 is about 633.4863603139.

Adding to 254221224 its reverse (422122452), we get a palindrome (676343676).

The spelling of 254221224 in words is "two hundred fifty-four million, two hundred twenty-one thousand, two hundred twenty-four".