1224241400 has 48 divisors (see below), whose sum is σ = 3013802640. Its totient is φ = 460889600.

The previous prime is 1224241397. The next prime is 1224241423. The reversal of 1224241400 is 41424221.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 176636 + ... + 183435.

It is an arithmetic number, because the mean of its divisors is an integer number (62787555).

Almost surely, 2^1224241400 is an apocalyptic number.

1224241400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1224241400 is an abundant number, since it is smaller than the sum of its proper divisors (1789561240).

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

1224241400 is a wasteful number, since it uses less digits than its factorization.

1224241400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360104 (or 360095 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 1224241400 is about 34989.1611788565. The cubic root of 1224241400 is about 1069.7665662490.

Adding to 1224241400 its reverse (41424221), we get a palindrome (1265665621).

The spelling of 1224241400 in words is "one billion, two hundred twenty-four million, two hundred forty-one thousand, four hundred".