19621918022 has 8 divisors (see below), whose sum is σ = 33637573776. Its totient is φ = 8409393432.

The previous prime is 19621918009. The next prime is 19621918031. The reversal of 19621918022 is 22081912691.

19621918022 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

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, 700782773 + ... + 700782800.

It is an arithmetic number, because the mean of its divisors is an integer number (4204696722).

Almost surely, 2^19621918022 is an apocalyptic number.

19621918022 is a deficient number, since it is larger than the sum of its proper divisors (14015655754).

19621918022 is a wasteful number, since it uses less digits than its factorization.

19621918022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1401565582.

The product of its (nonzero) digits is 31104, while the sum is 41.

The spelling of 19621918022 in words is "nineteen billion, six hundred twenty-one million, nine hundred eighteen thousand, twenty-two".