12770222 has 8 divisors (see below), whose sum is σ = 19331400. Its totient is φ = 6326424.

The previous prime is 12770209. The next prime is 12770239. The reversal of 12770222 is 22207721.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29072 + ... + 29507.

It is an arithmetic number, because the mean of its divisors is an integer number (2416425).

Almost surely, 2^12770222 is an apocalyptic number.

12770222 is a deficient number, since it is larger than the sum of its proper divisors (6561178).

12770222 is a wasteful number, since it uses less digits than its factorization.

12770222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58690.

The product of its (nonzero) digits is 784, while the sum is 23.

The square root of 12770222 is about 3573.5447387713. The cubic root of 12770222 is about 233.7398794554.

Adding to 12770222 its reverse (22207721), we get a palindrome (34977943).

The spelling of 12770222 in words is "twelve million, seven hundred seventy thousand, two hundred twenty-two".