2227111556 has 24 divisors (see below), whose sum is σ = 4010418720. Its totient is φ = 1081567872.

The previous prime is 2227111547. The next prime is 2227111567. The reversal of 2227111556 is 6551117222.

It is a super-2 number, since 2×2227111556² = 9920051765737482272, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 5381 + ... + 66956.

It is an arithmetic number, because the mean of its divisors is an integer number (167100780).

Almost surely, 2^2227111556 is an apocalyptic number.

It is an amenable number.

2227111556 is a deficient number, since it is larger than the sum of its proper divisors (1783307164).

2227111556 is a wasteful number, since it uses less digits than its factorization.

2227111556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72563 (or 72561 counting only the distinct ones).

The product of its digits is 8400, while the sum is 32.

The square root of 2227111556 is about 47192.2828013225. The cubic root of 2227111556 is about 1305.9122340720.

Adding to 2227111556 its reverse (6551117222), we get a palindrome (8778228778).

The spelling of 2227111556 in words is "two billion, two hundred twenty-seven million, one hundred eleven thousand, five hundred fifty-six".