1228213080 has 48 divisors (see below), whose sum is σ = 3991693680. Its totient is φ = 327523392.

The previous prime is 1228213061. The next prime is 1228213081. The reversal of 1228213080 is 803128221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1228213081) 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 11 ways as a sum of consecutive naturals, for example, 1705492 + ... + 1706211.

It is an arithmetic number, because the mean of its divisors is an integer number (83160285).

Almost surely, 2^1228213080 is an apocalyptic number.

1228213080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1228213080 is an abundant number, since it is smaller than the sum of its proper divisors (2763480600).

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

1228213080 is a wasteful number, since it uses less digits than its factorization.

1228213080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3411720 (or 3411713 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 1228213080 is about 35045.8710834814. The cubic root of 1228213080 is about 1070.9221619029.

The spelling of 1228213080 in words is "one billion, two hundred twenty-eight million, two hundred thirteen thousand, eighty".