228142602 has 32 divisors (see below), whose sum is σ = 507758400. Its totient is φ = 75931344.

The previous prime is 228142591. The next prime is 228142637. The reversal of 228142602 is 206241822.

It is a happy number.

228142602 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37048 + ... + 42764.

It is an arithmetic number, because the mean of its divisors is an integer number (15867450).

Almost surely, 2^228142602 is an apocalyptic number.

228142602 is an abundant number, since it is smaller than the sum of its proper divisors (279615798).

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

228142602 is a wasteful number, since it uses less digits than its factorization.

228142602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6467 (or 6461 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 228142602 is about 15104.3901565075. The cubic root of 228142602 is about 611.0388122096.

The spelling of 228142602 in words is "two hundred twenty-eight million, one hundred forty-two thousand, six hundred two".