228747002 has 32 divisors (see below), whose sum is σ = 397488384. Its totient is φ = 97574400.

The previous prime is 228746989. The next prime is 228747007. The reversal of 228747002 is 200747822.

It is a happy number.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 228747002.

It is not an unprimeable number, because it can be changed into a prime (228747007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 172502 + ... + 173822.

It is an arithmetic number, because the mean of its divisors is an integer number (12421512).

Almost surely, 2^228747002 is an apocalyptic number.

228747002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

228747002 is a deficient number, since it is larger than the sum of its proper divisors (168741382).

228747002 is a wasteful number, since it uses less digits than its factorization.

228747002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1814.

The product of its (nonzero) digits is 12544, while the sum is 32.

The square root of 228747002 is about 15124.3843511067. The cubic root of 228747002 is about 611.5779285409.

The spelling of 228747002 in words is "two hundred twenty-eight million, seven hundred forty-seven thousand, two".