228821362 has 16 divisors (see below), whose sum is σ = 427925952. Its totient is φ = 89151120.

The previous prime is 228821321. The next prime is 228821381. The reversal of 228821362 is 263128822.

It is a happy number.

228821362 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 742773 + ... + 743080.

It is an arithmetic number, because the mean of its divisors is an integer number (26745372).

Almost surely, 2^228821362 is an apocalyptic number.

228821362 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

228821362 is a deficient number, since it is larger than the sum of its proper divisors (199104590).

228821362 is a wasteful number, since it uses less digits than its factorization.

228821362 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1485873.

The product of its digits is 18432, while the sum is 34.

The square root of 228821362 is about 15126.8424332377. The cubic root of 228821362 is about 611.6441909872.

The spelling of 228821362 in words is "two hundred twenty-eight million, eight hundred twenty-one thousand, three hundred sixty-two".