19922023 has 16 divisors (see below), whose sum is σ = 22482432. Its totient is φ = 17496000.

The previous prime is 19921997. The next prime is 19922033. The reversal of 19922023 is 32022991.

It is a cyclic number.

It is not a de Polignac number, because 19922023 - 2⁵ = 19921991 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 19921982 and 19922000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19922033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73378 + ... + 73648.

It is an arithmetic number, because the mean of its divisors is an integer number (1405152).

Almost surely, 2^19922023 is an apocalyptic number.

19922023 is a deficient number, since it is larger than the sum of its proper divisors (2560409).

19922023 is a wasteful number, since it uses less digits than its factorization.

19922023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 19922023 is about 4463.4093471247. The cubic root of 19922023 is about 271.0885319603.

It can be divided in two parts, 199 and 22023, that added together give a palindrome (22222).

The spelling of 19922023 in words is "nineteen million, nine hundred twenty-two thousand, twenty-three".