1916825722 has 32 divisors (see below), whose sum is σ = 3370821120. Its totient is φ = 800444160.

The previous prime is 1916825711. The next prime is 1916825791. The reversal of 1916825722 is 2275286191.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 144322 + ... + 157042.

It is an arithmetic number, because the mean of its divisors is an integer number (105338160).

Almost surely, 2^1916825722 is an apocalyptic number.

1916825722 is a deficient number, since it is larger than the sum of its proper divisors (1453995398).

1916825722 is a wasteful number, since it uses less digits than its factorization.

1916825722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13006.

The product of its digits is 120960, while the sum is 43.

The square root of 1916825722 is about 43781.5682907773. The cubic root of 1916825722 is about 1242.2076787494.

The spelling of 1916825722 in words is "one billion, nine hundred sixteen million, eight hundred twenty-five thousand, seven hundred twenty-two".