1122223005 has 40 divisors (see below), whose sum is σ = 2081079000. Its totient is φ = 577874304.

The previous prime is 1122222979. The next prime is 1122223009. The reversal of 1122223005 is 5003222211.

It can be written as a sum of positive squares in 4 ways, for example, as 149157369 + 973065636 = 12213^2 + 31194^2 .

It is not a de Polignac number, because 1122223005 - 2⁸ = 1122222749 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122223009) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 36030 + ... + 59519.

It is an arithmetic number, because the mean of its divisors is an integer number (52026975).

Almost surely, 2^1122223005 is an apocalyptic number.

1122223005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1122223005 is a deficient number, since it is larger than the sum of its proper divisors (958855995).

1122223005 is an equidigital number, since it uses as much as digits as its factorization.

1122223005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95595 (or 95586 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 1122223005 is about 33499.5970871293. The cubic root of 1122223005 is about 1039.1854460757.

Adding to 1122223005 its reverse (5003222211), we get a palindrome (6125445216).

The spelling of 1122223005 in words is "one billion, one hundred twenty-two million, two hundred twenty-three thousand, five".