2981251222 has 4 divisors (see below), whose sum is σ = 4471876836. Its totient is φ = 1490625610.

The previous prime is 2981251211. The next prime is 2981251241. The reversal of 2981251222 is 2221521892.

It is a happy number.

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, 745312804 + ... + 745312807.

It is an arithmetic number, because the mean of its divisors is an integer number (1117969209).

Almost surely, 2^2981251222 is an apocalyptic number.

2981251222 is a deficient number, since it is larger than the sum of its proper divisors (1490625614).

2981251222 is a wasteful number, since it uses less digits than its factorization.

2981251222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1490625613.

The product of its digits is 11520, while the sum is 34.

The square root of 2981251222 is about 54600.8353599100. The cubic root of 2981251222 is about 1439.2387987582.

The spelling of 2981251222 in words is "two billion, nine hundred eighty-one million, two hundred fifty-one thousand, two hundred twenty-two".