428656207224 has 64 divisors (see below), whose sum is σ = 1229856537600. Its totient is φ = 121960750464.

The previous prime is 428656207207. The next prime is 428656207237. The reversal of 428656207224 is 422702656824.

It is a super-2 number, since 2×428656207224² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

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, 5297767 + ... + 5378070.

It is an arithmetic number, because the mean of its divisors is an integer number (19216508400).

Almost surely, 2^428656207224 is an apocalyptic number.

It is an amenable number.

428656207224 is an abundant number, since it is smaller than the sum of its proper divisors (801200330376).

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

428656207224 is a wasteful number, since it uses less digits than its factorization.

428656207224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10676092 (or 10676088 counting only the distinct ones).

The product of its (nonzero) digits is 2580480, while the sum is 48.

The spelling of 428656207224 in words is "four hundred twenty-eight billion, six hundred fifty-six million, two hundred seven thousand, two hundred twenty-four".