428226498 has 96 divisors (see below), whose sum is σ = 1159142400. Its totient is φ = 111421440.

The previous prime is 428226497. The next prime is 428226511. The reversal of 428226498 is 894622824.

It is not an unprimeable number, because it can be changed into a prime (428226497) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 63178 + ... + 69626.

It is an arithmetic number, because the mean of its divisors is an integer number (12074400).

Almost surely, 2^428226498 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 428226498, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (579571200).

428226498 is an abundant number, since it is smaller than the sum of its proper divisors (730915902).

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

428226498 is a wasteful number, since it uses less digits than its factorization.

428226498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6512 (or 6509 counting only the distinct ones).

The product of its digits is 442368, while the sum is 45.

The square root of 428226498 is about 20693.6342385768. The cubic root of 428226498 is about 753.7451183235.

The spelling of 428226498 in words is "four hundred twenty-eight million, two hundred twenty-six thousand, four hundred ninety-eight".