1122272774 has 24 divisors (see below), whose sum is σ = 1995208848. Its totient is φ = 471896880.

The previous prime is 1122272773. The next prime is 1122272777. The reversal of 1122272774 is 4772722211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122272771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 102842 + ... + 113229.

It is an arithmetic number, because the mean of its divisors is an integer number (83133702).

Almost surely, 2^1122272774 is an apocalyptic number.

1122272774 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1122272774 is a deficient number, since it is larger than the sum of its proper divisors (872936074).

1122272774 is a wasteful number, since it uses less digits than its factorization.

1122272774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216140 (or 216133 counting only the distinct ones).

The product of its digits is 21952, while the sum is 35.

The square root of 1122272774 is about 33500.3399087233. The cubic root of 1122272774 is about 1039.2008079826.

Adding to 1122272774 its reverse (4772722211), we get a palindrome (5894994985).

The spelling of 1122272774 in words is "one billion, one hundred twenty-two million, two hundred seventy-two thousand, seven hundred seventy-four".