1122222273 has 8 divisors (see below), whose sum is σ = 1498919136. Its totient is φ = 746836800.

The previous prime is 1122222259. The next prime is 1122222281. The reversal of 1122222273 is 3722222211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1122222273 - 2⁶ = 1122222209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1122222223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 325848 + ... + 329273.

It is an arithmetic number, because the mean of its divisors is an integer number (187364892).

Almost surely, 2^1122222273 is an apocalyptic number.

It is an amenable number.

1122222273 is a deficient number, since it is larger than the sum of its proper divisors (376696863).

1122222273 is an equidigital number, since it uses as much as digits as its factorization.

1122222273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655695.

The product of its digits is 1344, while the sum is 24.

The square root of 1122222273 is about 33499.5861616230. The cubic root of 1122222273 is about 1039.1852201301.

Adding to 1122222273 its reverse (3722222211), we get a palindrome (4844444484).

The spelling of 1122222273 in words is "one billion, one hundred twenty-two million, two hundred twenty-two thousand, two hundred seventy-three".