1922583881 has 2 divisors, whose sum is σ = 1922583882. Its totient is φ = 1922583880.

The previous prime is 1922583857. The next prime is 1922583911. The reversal of 1922583881 is 1883852291.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1876275856 + 46308025 = 43316^2 + 6805^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1922583881 is a prime.

It is a super-2 number, since 2×1922583881² = 7392657558962044322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1922583181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 961291940 + 961291941.

It is an arithmetic number, because the mean of its divisors is an integer number (961291941).

Almost surely, 2^1922583881 is an apocalyptic number.

It is an amenable number.

1922583881 is a deficient number, since it is larger than the sum of its proper divisors (1).

1922583881 is an equidigital number, since it uses as much as digits as its factorization.

1922583881 is an evil number, because the sum of its binary digits is even.

The product of its digits is 276480, while the sum is 47.

The square root of 1922583881 is about 43847.2790603932. The cubic root of 1922583881 is about 1243.4503023898.

The spelling of 1922583881 in words is "one billion, nine hundred twenty-two million, five hundred eighty-three thousand, eight hundred eighty-one".