1648741322 has 8 divisors (see below), whose sum is σ = 2489710500. Its totient is φ = 818837824.

The previous prime is 1648741313. The next prime is 1648741333. The reversal of 1648741322 is 2231478461.

It can be written as a sum of positive squares in 2 ways, for example, as 1429671721 + 219069601 = 37811^2 + 14801^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2766047 + ... + 2766642.

Almost surely, 2^1648741322 is an apocalyptic number.

1648741322 is a deficient number, since it is larger than the sum of its proper divisors (840969178).

1648741322 is a wasteful number, since it uses less digits than its factorization.

1648741322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5532840.

The product of its digits is 64512, while the sum is 38.

The square root of 1648741322 is about 40604.6958121841. The cubic root of 1648741322 is about 1181.3652019743.

The spelling of 1648741322 in words is "one billion, six hundred forty-eight million, seven hundred forty-one thousand, three hundred twenty-two".