1922992087 has 2 divisors, whose sum is σ = 1922992088. Its totient is φ = 1922992086.

The previous prime is 1922992069. The next prime is 1922992129. The reversal of 1922992087 is 7802992291.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1922992087 - 2²³ = 1914603479 is a prime.

It is a super-3 number, since 3×1922992087³ (a number of 29 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1922992087.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1922992007) 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 as a sum of consecutive naturals, namely, 961496043 + 961496044.

It is an arithmetic number, because the mean of its divisors is an integer number (961496044).

Almost surely, 2^1922992087 is an apocalyptic number.

1922992087 is a deficient number, since it is larger than the sum of its proper divisors (1).

1922992087 is an equidigital number, since it uses as much as digits as its factorization.

1922992087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 326592, while the sum is 49.

The square root of 1922992087 is about 43851.9336745827. The cubic root of 1922992087 is about 1243.5382999296.

It can be divided in two parts, 1922 and 992087, that added together give a square (994009 = 997²).

The spelling of 1922992087 in words is "one billion, nine hundred twenty-two million, nine hundred ninety-two thousand, eighty-seven".