4220220220194 has 64 divisors (see below), whose sum is σ = 9219273178752. Its totient is φ = 1277255616000.

The previous prime is 4220220220163. The next prime is 4220220220219. The reversal of 4220220220194 is 4910220220224.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 197223504 + ... + 197244900.

It is an arithmetic number, because the mean of its divisors is an integer number (144051143418).

Almost surely, 2^{4220220220194} is an apocalyptic number.

4220220220194 is an abundant number, since it is smaller than the sum of its proper divisors (4999052958558).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4220220220194 is a wasteful number, since it uses less digits than its factorization.

4220220220194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25011.

The product of its (nonzero) digits is 9216, while the sum is 30.

Adding to 4220220220194 its sum of digits (30), we get a palindrome (4220220220224).

The spelling of 4220220220194 in words is "four trillion, two hundred twenty billion, two hundred twenty million, two hundred twenty thousand, one hundred ninety-four".