1422244400 has 120 divisors (see below), whose sum is σ = 3532943520. Its totient is φ = 549918720.

The previous prime is 1422244391. The next prime is 1422244403. The reversal of 1422244400 is 44422241.

It is not an unprimeable number, because it can be changed into a prime (1422244403) 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, 1547141 + ... + 1548059.

It is an arithmetic number, because the mean of its divisors is an integer number (29441196).

Almost surely, 2^1422244400 is an apocalyptic number.

1422244400 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 1422244400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1766471760).

1422244400 is an abundant number, since it is smaller than the sum of its proper divisors (2110699120).

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

1422244400 is a wasteful number, since it uses less digits than its factorization.

1422244400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1063 (or 1052 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 23.

The square root of 1422244400 is about 37712.6557007061. The cubic root of 1422244400 is about 1124.5827324956.

Adding to 1422244400 its reverse (44422241), we get a palindrome (1466666641).

The spelling of 1422244400 in words is "one billion, four hundred twenty-two million, two hundred forty-four thousand, four hundred".