1220222022204 has 24 divisors (see below), whose sum is σ = 3014666173008. Its totient is φ = 382814752000.

The previous prime is 1220222022203. The next prime is 1220222022277. The reversal of 1220222022204 is 4022202220221.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220222022203) 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, 2990740047 + ... + 2990740454.

It is an arithmetic number, because the mean of its divisors is an integer number (125611090542).

Almost surely, 2^{1220222022204} is an apocalyptic number.

It is an amenable number.

1220222022204 is an abundant number, since it is smaller than the sum of its proper divisors (1794444150804).

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

1220222022204 is a wasteful number, since it uses less digits than its factorization.

1220222022204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5981480525 (or 5981480523 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 21.

Adding to 1220222022204 its reverse (4022202220221), we get a palindrome (5242424242425).

The spelling of 1220222022204 in words is "one trillion, two hundred twenty billion, two hundred twenty-two million, twenty-two thousand, two hundred four".