1220220222002 has 16 divisors (see below), whose sum is σ = 1861937500320. Its totient is φ = 599580884448.

The previous prime is 1220220221977. The next prime is 1220220222041. The reversal of 1220220222002 is 2002220220221.

It is a super-2 number, since 2×1220220222002² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1246283 + ... + 1998414.

It is an arithmetic number, because the mean of its divisors is an integer number (116371093770).

Almost surely, 2^{1220220222002} is an apocalyptic number.

1220220222002 is a deficient number, since it is larger than the sum of its proper divisors (641717278318).

1220220222002 is a wasteful number, since it uses less digits than its factorization.

1220220222002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3247945.

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 1220220222002 its reverse (2002220220221), we get a palindrome (3222440442223).

The spelling of 1220220222002 in words is "one trillion, two hundred twenty billion, two hundred twenty million, two hundred twenty-two thousand, two".