1122473993 has 4 divisors (see below), whose sum is σ = 1140875268. Its totient is φ = 1104072720.

The previous prime is 1122473983. The next prime is 1122473999. The reversal of 1122473993 is 3993742211.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 281299984 + 841174009 = 16772^2 + 29003^2 .

It is a cyclic number.

It is not a de Polignac number, because 1122473993 - 2⁶ = 1122473929 is a prime.

It is a super-2 number, since 2×1122473993² = 2519895729922728098, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1122473993.

It is not an unprimeable number, because it can be changed into a prime (1122473999) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 9200546 + ... + 9200667.

It is an arithmetic number, because the mean of its divisors is an integer number (285218817).

Almost surely, 2^1122473993 is an apocalyptic number.

It is an amenable number.

1122473993 is a deficient number, since it is larger than the sum of its proper divisors (18401275).

1122473993 is an equidigital number, since it uses as much as digits as its factorization.

1122473993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18401274.

The product of its digits is 81648, while the sum is 41.

The square root of 1122473993 is about 33503.3430123025. The cubic root of 1122473993 is about 1039.2629124478.

The spelling of 1122473993 in words is "one billion, one hundred twenty-two million, four hundred seventy-three thousand, nine hundred ninety-three".