228802653 has 12 divisors (see below), whose sum is σ = 330843708. Its totient is φ = 152373120.

The previous prime is 228802601. The next prime is 228802657. The reversal of 228802653 is 356208822.

It can be written as a sum of positive squares in 2 ways, for example, as 220611609 + 8191044 = 14853^2 + 2862^2 .

It is not a de Polignac number, because 228802653 - 2¹⁸ = 228540509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228802657) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 4218 + ... + 21803.

It is an arithmetic number, because the mean of its divisors is an integer number (27570309).

Almost surely, 2^228802653 is an apocalyptic number.

It is an amenable number.

228802653 is a deficient number, since it is larger than the sum of its proper divisors (102041055).

228802653 is a wasteful number, since it uses less digits than its factorization.

228802653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27004 (or 27001 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 228802653 is about 15126.2240165879. The cubic root of 228802653 is about 611.6275206860.

The spelling of 228802653 in words is "two hundred twenty-eight million, eight hundred two thousand, six hundred fifty-three".