1422311200 has 72 divisors (see below), whose sum is σ = 3482120880. Its totient is φ = 567302400.

The previous prime is 1422311179. The next prime is 1422311201. The reversal of 1422311200 is 21132241.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (1422311201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 300855 + ... + 305545.

It is an arithmetic number, because the mean of its divisors is an integer number (48362790).

Almost surely, 2^1422311200 is an apocalyptic number.

1422311200 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 1422311200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1741060440).

1422311200 is an abundant number, since it is smaller than the sum of its proper divisors (2059809680).

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

1422311200 is a wasteful number, since it uses less digits than its factorization.

1422311200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5090 (or 5077 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1422311200 is about 37713.5413346453. The cubic root of 1422311200 is about 1124.6003386938.

Adding to 1422311200 its reverse (21132241), we get a palindrome (1443443441).

The spelling of 1422311200 in words is "one billion, four hundred twenty-two million, three hundred eleven thousand, two hundred".