7221022102200 has 192 divisors, whose sum is σ = 22643712540000. Its totient is φ = 1903379005440.

The previous prime is 7221022102183. The next prime is 7221022102211. The reversal of 7221022102200 is 22012201227.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 187788576 + ... + 187827024.

Almost surely, 2^{7221022102200} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7221022102200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11321856270000).

7221022102200 is an abundant number, since it is smaller than the sum of its proper divisors (15422690437800).

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

7221022102200 is a wasteful number, since it uses less digits than its factorization.

7221022102200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42074 (or 42065 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 21.

Adding to 7221022102200 its reverse (22012201227), we get a palindrome (7243034303427).

The spelling of 7221022102200 in words is "seven trillion, two hundred twenty-one billion, twenty-two million, one hundred two thousand, two hundred".