1422450400 has 216 divisors, whose sum is σ = 4085035416. Its totient is φ = 482227200.

The previous prime is 1422450397. The next prime is 1422450413. The reversal of 1422450400 is 40542241.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 5135062 + ... + 5135338.

It is an arithmetic number, because the mean of its divisors is an integer number (18912201).

Almost surely, 2^1422450400 is an apocalyptic number.

1422450400 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 1422450400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2042517708).

1422450400 is an abundant number, since it is smaller than the sum of its proper divisors (2662585016).

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

1422450400 is a wasteful number, since it uses less digits than its factorization.

1422450400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442 (or 422 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 1422450400 is about 37715.3867804640. The cubic root of 1422450400 is about 1124.6370252877.

Adding to 1422450400 its reverse (40542241), we get a palindrome (1462992641).

It can be divided in two parts, 142 and 2450400, that added together give a palindrome (2450542).

The spelling of 1422450400 in words is "one billion, four hundred twenty-two million, four hundred fifty thousand, four hundred".