5111555222 has 8 divisors (see below), whose sum is σ = 7668595416. Its totient is φ = 2555356752.

The previous prime is 5111555201. The next prime is 5111555261. The reversal of 5111555222 is 2225551115.

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

It is a super-2 number, since 2×5111555222² = 52255993575110938568, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 195023 + ... + 219674.

It is an arithmetic number, because the mean of its divisors is an integer number (958574427).

Almost surely, 2^5111555222 is an apocalyptic number.

5111555222 is a deficient number, since it is larger than the sum of its proper divisors (2557040194).

5111555222 is a wasteful number, since it uses less digits than its factorization.

5111555222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420862.

The product of its digits is 5000, while the sum is 29.

The square root of 5111555222 is about 71495.1412475002. The cubic root of 5111555222 is about 1722.5996408495.

The spelling of 5111555222 in words is "five billion, one hundred eleven million, five hundred fifty-five thousand, two hundred twenty-two".