19980022 has 8 divisors (see below), whose sum is σ = 30267072. Its totient is φ = 9891000.

The previous prime is 19980019. The next prime is 19980041. The reversal of 19980022 is 22008991.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49254 + ... + 49657.

It is an arithmetic number, because the mean of its divisors is an integer number (3783384).

Almost surely, 2^19980022 is an apocalyptic number.

19980022 is a deficient number, since it is larger than the sum of its proper divisors (10287050).

19980022 is a wasteful number, since it uses less digits than its factorization.

19980022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99014.

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 19980022 is about 4469.9017886303. The cubic root of 19980022 is about 271.3513504903.

The spelling of 19980022 in words is "nineteen million, nine hundred eighty thousand, twenty-two".