251234222 has 4 divisors (see below), whose sum is σ = 376851336. Its totient is φ = 125617110.

The previous prime is 251234219. The next prime is 251234231. The reversal of 251234222 is 222432152.

251234222 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62808554 + ... + 62808557.

It is an arithmetic number, because the mean of its divisors is an integer number (94212834).

Almost surely, 2^251234222 is an apocalyptic number.

251234222 is a deficient number, since it is larger than the sum of its proper divisors (125617114).

251234222 is a wasteful number, since it uses less digits than its factorization.

251234222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125617113.

The product of its digits is 1920, while the sum is 23.

The square root of 251234222 is about 15850.3697748665. The cubic root of 251234222 is about 630.9955051363.

Adding to 251234222 its reverse (222432152), we get a palindrome (473666374).

The spelling of 251234222 in words is "two hundred fifty-one million, two hundred thirty-four thousand, two hundred twenty-two".