254223136 has 12 divisors (see below), whose sum is σ = 500501862. Its totient is φ = 127111552.

The previous prime is 254223103. The next prime is 254223143. The reversal of 254223136 is 631322452.

It can be written as a sum of positive squares in only one way, i.e., 198810000 + 55413136 = 14100^2 + 7444^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3972205 + ... + 3972268.

Almost surely, 2^254223136 is an apocalyptic number.

It is an amenable number.

254223136 is a deficient number, since it is larger than the sum of its proper divisors (246278726).

254223136 is an equidigital number, since it uses as much as digits as its factorization.

254223136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7944483 (or 7944475 counting only the distinct ones).

The product of its digits is 8640, while the sum is 28.

The square root of 254223136 is about 15944.3763126690. The cubic root of 254223136 is about 633.4879484620.

Adding to 254223136 its reverse (631322452), we get a palindrome (885545588).

The spelling of 254223136 in words is "two hundred fifty-four million, two hundred twenty-three thousand, one hundred thirty-six".