228001402 has 8 divisors (see below), whose sum is σ = 347106816. Its totient is φ = 112299132.

The previous prime is 228001381. The next prime is 228001409. The reversal of 228001402 is 204100822.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 228001402.

It is not an unprimeable number, because it can be changed into a prime (228001409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 850618 + ... + 850885.

It is an arithmetic number, because the mean of its divisors is an integer number (43388352).

Almost surely, 2^228001402 is an apocalyptic number.

228001402 is a deficient number, since it is larger than the sum of its proper divisors (119105414).

228001402 is a wasteful number, since it uses less digits than its factorization.

228001402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1701572.

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 228001402 is about 15099.7152953292. The cubic root of 228001402 is about 610.9127266163.

The spelling of 228001402 in words is "two hundred twenty-eight million, one thousand, four hundred two".