1922885243 has 4 divisors (see below), whose sum is σ = 1923291720. Its totient is φ = 1922478768.

The previous prime is 1922885231. The next prime is 1922885297. The reversal of 1922885243 is 3425882291.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3425882291 = 13 ⋅263529407.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1922885243 is a prime.

It is a super-3 number, since 3×1922885243³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1922885194 and 1922885203.

It is not an unprimeable number, because it can be changed into a prime (1922885213) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 196058 + ... + 205631.

It is an arithmetic number, because the mean of its divisors is an integer number (480822930).

Almost surely, 2^1922885243 is an apocalyptic number.

1922885243 is a deficient number, since it is larger than the sum of its proper divisors (406477).

1922885243 is an equidigital number, since it uses as much as digits as its factorization.

1922885243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406476.

The product of its digits is 276480, while the sum is 44.

The square root of 1922885243 is about 43850.7154217579. The cubic root of 1922885243 is about 1243.5152686219.

The spelling of 1922885243 in words is "one billion, nine hundred twenty-two million, eight hundred eighty-five thousand, two hundred forty-three".