19922043 has 8 divisors (see below), whose sum is σ = 27478800. Its totient is φ = 12823328.

The previous prime is 19922041. The next prime is 19922047. The reversal of 19922043 is 34022991.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 19922043 - 2¹ = 19922041 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 19922043.

It is not an unprimeable number, because it can be changed into a prime (19922041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114408 + ... + 114581.

It is an arithmetic number, because the mean of its divisors is an integer number (3434850).

Almost surely, 2^19922043 is an apocalyptic number.

19922043 is a deficient number, since it is larger than the sum of its proper divisors (7556757).

19922043 is a wasteful number, since it uses less digits than its factorization.

19922043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229021.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 19922043 is about 4463.4115875639. The cubic root of 19922043 is about 271.0886226768.

The spelling of 19922043 in words is "nineteen million, nine hundred twenty-two thousand, forty-three".