2512261222 has 4 divisors (see below), whose sum is σ = 3768391836. Its totient is φ = 1256130610.

The previous prime is 2512261211. The next prime is 2512261229. The reversal of 2512261222 is 2221622152.

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

It is a super-2 number, since 2×2512261222² = 12622912895129866568, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2512261229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 628065304 + ... + 628065307.

It is an arithmetic number, because the mean of its divisors is an integer number (942097959).

Almost surely, 2^2512261222 is an apocalyptic number.

2512261222 is a deficient number, since it is larger than the sum of its proper divisors (1256130614).

2512261222 is a wasteful number, since it uses less digits than its factorization.

2512261222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1256130613.

The product of its digits is 1920, while the sum is 25.

The square root of 2512261222 is about 50122.4622499733. The cubic root of 2512261222 is about 1359.4239959137.

Adding to 2512261222 its reverse (2221622152), we get a palindrome (4733883374).

The spelling of 2512261222 in words is "two billion, five hundred twelve million, two hundred sixty-one thousand, two hundred twenty-two".