228102501 has 16 divisors (see below), whose sum is σ = 332140608. Its totient is φ = 138096000.

The previous prime is 228102499. The next prime is 228102503. The reversal of 228102501 is 105201822.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (228102499) and next prime (228102503).

It is not a de Polignac number, because 228102501 - 2¹ = 228102499 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228102503) 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 15 ways as a sum of consecutive naturals, for example, 33051 + ... + 39351.

It is an arithmetic number, because the mean of its divisors is an integer number (20758788).

Almost surely, 2^228102501 is an apocalyptic number.

It is an amenable number.

228102501 is a deficient number, since it is larger than the sum of its proper divisors (104038107).

228102501 is a wasteful number, since it uses less digits than its factorization.

228102501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7412.

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 228102501 is about 15103.0626364324. The cubic root of 228102501 is about 611.0030090132.

The spelling of 228102501 in words is "two hundred twenty-eight million, one hundred two thousand, five hundred one".