1975320922 has 4 divisors (see below), whose sum is σ = 2962981386. Its totient is φ = 987660460.

The previous prime is 1975320917. The next prime is 1975320973. The reversal of 1975320922 is 2290235791.

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

It can be written as a sum of positive squares in only one way, i.e., 1928000281 + 47320641 = 43909^2 + 6879^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 493830229 + ... + 493830232.

Almost surely, 2^1975320922 is an apocalyptic number.

1975320922 is a deficient number, since it is larger than the sum of its proper divisors (987660464).

1975320922 is an equidigital number, since it uses as much as digits as its factorization.

1975320922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 987660463.

The product of its (nonzero) digits is 68040, while the sum is 40.

The square root of 1975320922 is about 44444.5825945075. The cubic root of 1975320922 is about 1254.7173052571.

The spelling of 1975320922 in words is "one billion, nine hundred seventy-five million, three hundred twenty thousand, nine hundred twenty-two".