1922745499 has 2 divisors, whose sum is σ = 1922745500. Its totient is φ = 1922745498.

The previous prime is 1922745493. The next prime is 1922745647. The reversal of 1922745499 is 9945472291.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1922745499 - 2⁹ = 1922744987 is a prime.

It is not a weakly prime, because it can be changed into another prime (1922745493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 961372749 + 961372750.

It is an arithmetic number, because the mean of its divisors is an integer number (961372750).

Almost surely, 2^1922745499 is an apocalyptic number.

1922745499 is a deficient number, since it is larger than the sum of its proper divisors (1).

1922745499 is an equidigital number, since it uses as much as digits as its factorization.

1922745499 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1632960, while the sum is 52.

The square root of 1922745499 is about 43849.1219866487. The cubic root of 1922745499 is about 1243.4851440980.

The spelling of 1922745499 in words is "one billion, nine hundred twenty-two million, seven hundred forty-five thousand, four hundred ninety-nine".