1222096800 has 144 divisors (see below), whose sum is σ = 3992369472. Its totient is φ = 324710400.

The previous prime is 1222096747. The next prime is 1222096807. The reversal of 1222096800 is 86902221.

1222096800 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222096807) 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, 808045 + ... + 809555.

It is an arithmetic number, because the mean of its divisors is an integer number (27724788).

Almost surely, 2^1222096800 is an apocalyptic number.

1222096800 is a gapful number since it is divisible by the number (10) 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 1222096800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1996184736).

1222096800 is an abundant number, since it is smaller than the sum of its proper divisors (2770272672).

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

1222096800 is a wasteful number, since it uses less digits than its factorization.

1222096800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1871 (or 1858 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 1222096800 is about 34958.5011120328. The cubic root of 1222096800 is about 1069.1415363763.

The spelling of 1222096800 in words is "one billion, two hundred twenty-two million, ninety-six thousand, eight hundred".