1122272770 has 32 divisors (see below), whose sum is σ = 2039304960. Its totient is φ = 444657600.

The previous prime is 1122272747. The next prime is 1122272771. The reversal of 1122272770 is 772722211.

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

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 662044 + ... + 663736.

It is an arithmetic number, because the mean of its divisors is an integer number (63728280).

Almost surely, 2^1122272770 is an apocalyptic number.

1122272770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1122272770 is a deficient number, since it is larger than the sum of its proper divisors (917032190).

1122272770 is a wasteful number, since it uses less digits than its factorization.

1122272770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2290.

The product of its (nonzero) digits is 5488, while the sum is 31.

The square root of 1122272770 is about 33500.3398490224. The cubic root of 1122272770 is about 1039.2008067479.

Adding to 1122272770 its reverse (772722211), we get a palindrome (1894994981).

The spelling of 1122272770 in words is "one billion, one hundred twenty-two million, two hundred seventy-two thousand, seven hundred seventy".