1322100044 has 6 divisors (see below), whose sum is σ = 2313675084. Its totient is φ = 661050020.

The previous prime is 1322100041. The next prime is 1322100049. The reversal of 1322100044 is 4400012231.

It is a junction number, because it is equal to n+sod(n) for n = 1322099995 and 1322100031.

It is not an unprimeable number, because it can be changed into a prime (1322100041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165262502 + ... + 165262509.

It is an arithmetic number, because the mean of its divisors is an integer number (385612514).

Almost surely, 2^1322100044 is an apocalyptic number.

It is an amenable number.

1322100044 is a deficient number, since it is larger than the sum of its proper divisors (991575040).

1322100044 is a wasteful number, since it uses less digits than its factorization.

1322100044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330525015 (or 330525013 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1322100044 is about 36360.6936677506. The cubic root of 1322100044 is about 1097.5427363526.

Adding to 1322100044 its reverse (4400012231), we get a palindrome (5722112275).

The spelling of 1322100044 in words is "one billion, three hundred twenty-two million, one hundred thousand, forty-four".