428227832252 has 96 divisors (see below), whose sum is σ = 844720282560. Its totient is φ = 188241408000.

The previous prime is 428227832251. The next prime is 428227832267. The reversal of 428227832252 is 252238722824.

It is a junction number, because it is equal to n+sod(n) for n = 428227832197 and 428227832206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428227832251) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 400586774 + ... + 400587842.

It is an arithmetic number, because the mean of its divisors is an integer number (8799169610).

Almost surely, 2^428227832252 is an apocalyptic number.

It is an amenable number.

428227832252 is a deficient number, since it is larger than the sum of its proper divisors (416492450308).

428227832252 is a wasteful number, since it uses less digits than its factorization.

428227832252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2383 (or 2381 counting only the distinct ones).

The product of its digits is 1720320, while the sum is 47.

The spelling of 428227832252 in words is "four hundred twenty-eight billion, two hundred twenty-seven million, eight hundred thirty-two thousand, two hundred fifty-two".