33430221330 has 32 divisors (see below), whose sum is σ = 87526398528. Its totient is φ = 8104296000.

The previous prime is 33430221323. The next prime is 33430221397. The reversal of 33430221330 is 3312203433.

It is a happy number.

It is a super-2 number, since 2×33430221330² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 33430221330.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50651521 + ... + 50652180.

It is an arithmetic number, because the mean of its divisors is an integer number (2735199954).

Almost surely, 2^33430221330 is an apocalyptic number.

33430221330 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

33430221330 is an abundant number, since it is smaller than the sum of its proper divisors (54096177198).

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

33430221330 is a wasteful number, since it uses less digits than its factorization.

33430221330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101303722.

The product of its (nonzero) digits is 3888, while the sum is 24.

Adding to 33430221330 its reverse (3312203433), we get a palindrome (36742424763).

The spelling of 33430221330 in words is "thirty-three billion, four hundred thirty million, two hundred twenty-one thousand, three hundred thirty".