1111422400 has 84 divisors (see below), whose sum is σ = 2983458600. Its totient is φ = 404147200.

The previous prime is 1111422397. The next prime is 1111422401. The reversal of 1111422400 is 42241111.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111422401) 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, 13975 + ... + 49174.

Almost surely, 2^1111422400 is an apocalyptic number.

1111422400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1111422400 is an abundant number, since it is smaller than the sum of its proper divisors (1872036200).

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

1111422400 is a wasteful number, since it uses less digits than its factorization.

1111422400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63182 (or 63167 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 1111422400 is about 33338.0023396724. The cubic root of 1111422400 is about 1035.8408843153.

Adding to 1111422400 its reverse (42241111), we get a palindrome (1153663511).

It can be divided in two parts, 11 and 11422400, that added together give a palindrome (11422411).

The spelling of 1111422400 in words is "one billion, one hundred eleven million, four hundred twenty-two thousand, four hundred".