7220404800 has 756 divisors, whose sum is σ = 31040252880. Its totient is φ = 1646023680.

The previous prime is 7220404783. The next prime is 7220404823. The reversal of 7220404800 is 84040227.

It is a tau number, because it is divible by the number of its divisors (756).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 19051011 + ... + 19051389.

Almost surely, 2^7220404800 is an apocalyptic number.

7220404800 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7220404800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15520126440).

7220404800 is an abundant number, since it is smaller than the sum of its proper divisors (23819848080).

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

7220404800 is a wasteful number, since it uses less digits than its factorization.

7220404800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430 (or 396 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 27.

The square root of 7220404800 is about 84972.9651124403. The cubic root of 7220404800 is about 1932.8011800005.

The spelling of 7220404800 in words is "seven billion, two hundred twenty million, four hundred four thousand, eight hundred".