228407802 has 128 divisors (see below), whose sum is σ = 572866560. Its totient is φ = 59304960.

The previous prime is 228407713. The next prime is 228407807. The reversal of 228407802 is 208704822.

It is not an unprimeable number, because it can be changed into a prime (228407807) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2891199 + ... + 2891277.

It is an arithmetic number, because the mean of its divisors is an integer number (4475520).

Almost surely, 2^228407802 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 228407802, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (286433280).

228407802 is an abundant number, since it is smaller than the sum of its proper divisors (344458758).

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

228407802 is a wasteful number, since it uses less digits than its factorization.

228407802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228.

The product of its (nonzero) digits is 14336, while the sum is 33.

The square root of 228407802 is about 15113.1665113569. The cubic root of 228407802 is about 611.2754839848.

The spelling of 228407802 in words is "two hundred twenty-eight million, four hundred seven thousand, eight hundred two".