1428218330 has 64 divisors (see below), whose sum is σ = 3229839360. Its totient is φ = 441729600.

The previous prime is 1428218293. The next prime is 1428218357. The reversal of 1428218330 is 338128241.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 93791 + ... + 107949.

It is an arithmetic number, because the mean of its divisors is an integer number (50466240).

Almost surely, 2^1428218330 is an apocalyptic number.

1428218330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1428218330 is an abundant number, since it is smaller than the sum of its proper divisors (1801621030).

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

1428218330 is a wasteful number, since it uses less digits than its factorization.

1428218330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14315.

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 1428218330 is about 37791.7759572106. The cubic root of 1428218330 is about 1126.1550816101.

It can be divided in two parts, 142821 and 8330, that added together give a palindrome (151151).

The spelling of 1428218330 in words is "one billion, four hundred twenty-eight million, two hundred eighteen thousand, three hundred thirty".