19902201202222 has 8 divisors (see below), whose sum is σ = 29853814542696. Its totient is φ = 9950929687992.

The previous prime is 19902201202187. The next prime is 19902201202259. The reversal of 19902201202222 is 22220210220991.

It is a happy number.

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

It is a super-2 number, since 2×19902201202222² (a number of 27 digits) contains 22 as substring.

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, 85310953 + ... + 85543924.

It is an arithmetic number, because the mean of its divisors is an integer number (3731726817837).

Almost surely, 2^{19902201202222} is an apocalyptic number.

19902201202222 is a deficient number, since it is larger than the sum of its proper divisors (9951613340474).

19902201202222 is a wasteful number, since it uses less digits than its factorization.

19902201202222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170913122.

The product of its (nonzero) digits is 10368, while the sum is 34.

The spelling of 19902201202222 in words is "nineteen trillion, nine hundred two billion, two hundred one million, two hundred two thousand, two hundred twenty-two".