1229221480 has 32 divisors (see below), whose sum is σ = 2785658400. Its totient is φ = 488149056.

The previous prime is 1229221471. The next prime is 1229221481. The reversal of 1229221480 is 841229221.

It is not an unprimeable number, because it can be changed into a prime (1229221481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104982 + ... + 116101.

It is an arithmetic number, because the mean of its divisors is an integer number (87051825).

Almost surely, 2^1229221480 is an apocalyptic number.

1229221480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1229221480 is an abundant number, since it is smaller than the sum of its proper divisors (1556436920).

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

1229221480 is a wasteful number, since it uses less digits than its factorization.

1229221480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221233 (or 221229 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 1229221480 is about 35060.2549905160. The cubic root of 1229221480 is about 1071.2151681985.

The spelling of 1229221480 in words is "one billion, two hundred twenty-nine million, two hundred twenty-one thousand, four hundred eighty".