7122228118 has 16 divisors (see below), whose sum is σ = 10861496784. Its totient is φ = 3501761760.

The previous prime is 7122228107. The next prime is 7122228133. The reversal of 7122228118 is 8118222217.

It is a super-2 number, since 2×7122228118² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 651796 + ... + 662632.

It is an arithmetic number, because the mean of its divisors is an integer number (678843549).

Almost surely, 2^7122228118 is an apocalyptic number.

7122228118 is a deficient number, since it is larger than the sum of its proper divisors (3739268666).

7122228118 is a wasteful number, since it uses less digits than its factorization.

7122228118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16287.

The product of its digits is 7168, while the sum is 34.

The square root of 7122228118 is about 84393.2942715237. The cubic root of 7122228118 is about 1924.0009989794. Note that the first 3 decimals are identical.

The spelling of 7122228118 in words is "seven billion, one hundred twenty-two million, two hundred twenty-eight thousand, one hundred eighteen".