1220000022006 has 48 divisors (see below), whose sum is σ = 2575522960704. Its totient is φ = 385211872368.

The previous prime is 1220000022001. The next prime is 1220000022041. The reversal of 1220000022006 is 6002200000221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220000022001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18306261 + ... + 18372783.

It is an arithmetic number, because the mean of its divisors is an integer number (53656728348).

Almost surely, 2^{1220000022006} is an apocalyptic number.

1220000022006 is an abundant number, since it is smaller than the sum of its proper divisors (1355522938698).

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

1220000022006 is a wasteful number, since it uses less digits than its factorization.

1220000022006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75033 (or 75014 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 1220000022006 its reverse (6002200000221), we get a palindrome (7222200022227).

The spelling of 1220000022006 in words is "one trillion, two hundred twenty billion, twenty-two thousand, six".