254221023 has 16 divisors (see below), whose sum is σ = 388505600. Its totient is φ = 144848736.

The previous prime is 254221013. The next prime is 254221061. The reversal of 254221023 is 320122452.

It is not a de Polignac number, because 254221023 - 2¹² = 254216927 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254221013) 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, 10015 + ... + 24672.

It is an arithmetic number, because the mean of its divisors is an integer number (24281600).

Almost surely, 2^254221023 is an apocalyptic number.

254221023 is a deficient number, since it is larger than the sum of its proper divisors (134284577).

254221023 is a wasteful number, since it uses less digits than its factorization.

254221023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35046.

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

The square root of 254221023 is about 15944.3100509241. The cubic root of 254221023 is about 633.4861933585.

Adding to 254221023 its reverse (320122452), we get a palindrome (574343475).

The spelling of 254221023 in words is "two hundred fifty-four million, two hundred twenty-one thousand, twenty-three".