1224291880 has 64 divisors (see below), whose sum is σ = 3151975680. Its totient is φ = 419251200.

The previous prime is 1224291851. The next prime is 1224291881. The reversal of 1224291880 is 881924221.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1224291881) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 286560 + ... + 290800.

It is an arithmetic number, because the mean of its divisors is an integer number (49249620).

Almost surely, 2^1224291880 is an apocalyptic number.

1224291880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1224291880 is an abundant number, since it is smaller than the sum of its proper divisors (1927683800).

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

1224291880 is a wasteful number, since it uses less digits than its factorization.

1224291880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5290 (or 5286 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 37.

The square root of 1224291880 is about 34989.8825376708. The cubic root of 1224291880 is about 1069.7812695241.

The spelling of 1224291880 in words is "one billion, two hundred twenty-four million, two hundred ninety-one thousand, eight hundred eighty".