1111672222 has 4 divisors (see below), whose sum is σ = 1667508336. Its totient is φ = 555836110.

The previous prime is 1111672201. The next prime is 1111672231. The reversal of 1111672222 is 2222761111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2222761111 = 97 ⋅22915063.

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 as a sum of consecutive naturals, namely, 277918054 + ... + 277918057.

It is an arithmetic number, because the mean of its divisors is an integer number (416877084).

Almost surely, 2^1111672222 is an apocalyptic number.

1111672222 is a deficient number, since it is larger than the sum of its proper divisors (555836114).

1111672222 is an equidigital number, since it uses as much as digits as its factorization.

1111672222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555836113.

The product of its digits is 672, while the sum is 25.

The square root of 1111672222 is about 33341.7489343316. The cubic root of 1111672222 is about 1035.9184895099.

Subtracting 1111672222 from its reverse (2222761111), we obtain a square (1111088889 = 33333²).

It can be divided in two parts, 11116 and 72222, that added together give a palindrome (83338).

The spelling of 1111672222 in words is "one billion, one hundred eleven million, six hundred seventy-two thousand, two hundred twenty-two".