3229521420 has 24 divisors (see below), whose sum is σ = 9042660144. Its totient is φ = 861205696.

The previous prime is 3229521397. The next prime is 3229521437. The reversal of 3229521420 is 241259223.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26912619 + ... + 26912738.

It is an arithmetic number, because the mean of its divisors is an integer number (376777506).

Almost surely, 2^3229521420 is an apocalyptic number.

3229521420 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3229521420 is an abundant number, since it is smaller than the sum of its proper divisors (5813138724).

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

3229521420 is a wasteful number, since it uses less digits than its factorization.

3229521420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53825369 (or 53825367 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 3229521420 is about 56828.8783982229. The cubic root of 3229521420 is about 1478.1303118880.

The spelling of 3229521420 in words is "three billion, two hundred twenty-nine million, five hundred twenty-one thousand, four hundred twenty".