1224204460 has 24 divisors (see below), whose sum is σ = 2571752736. Its totient is φ = 489505920.

The previous prime is 1224204439. The next prime is 1224204467. The reversal of 1224204460 is 644024221.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1224204467) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56064 + ... + 74776.

It is an arithmetic number, because the mean of its divisors is an integer number (107156364).

Almost surely, 2^1224204460 is an apocalyptic number.

1224204460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1224204460 is an abundant number, since it is smaller than the sum of its proper divisors (1347548276).

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

1224204460 is a wasteful number, since it uses less digits than its factorization.

1224204460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21993 (or 21991 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 1224204460 is about 34988.6332971152. The cubic root of 1224204460 is about 1069.7558065044.

Adding to 1224204460 its reverse (644024221), we get a palindrome (1868228681).

The spelling of 1224204460 in words is "one billion, two hundred twenty-four million, two hundred four thousand, four hundred sixty".