1601722282 has 16 divisors (see below), whose sum is σ = 2412301320. Its totient is φ = 797628672.

The previous prime is 1601722279. The next prime is 1601722319. The reversal of 1601722282 is 2822271061.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1581732441 + 19989841 = 39771^2 + 4471^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 802678 + ... + 804670.

Almost surely, 2^1601722282 is an apocalyptic number.

1601722282 is a deficient number, since it is larger than the sum of its proper divisors (810579038).

1601722282 is a wasteful number, since it uses less digits than its factorization.

1601722282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3417.

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 1601722282 is about 40021.5227346487. The cubic root of 1601722282 is about 1170.0266100554.

The spelling of 1601722282 in words is "one billion, six hundred one million, seven hundred twenty-two thousand, two hundred eighty-two".