228372653 has 2 divisors, whose sum is σ = 228372654. Its totient is φ = 228372652.

The previous prime is 228372643. The next prime is 228372673. The reversal of 228372653 is 356273822.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 163763209 + 64609444 = 12797^2 + 8038^2 .

It is a cyclic number.

It is not a de Polignac number, because 228372653 - 2¹⁰ = 228371629 is a prime.

It is equal to p_12557936 and since 228372653 and 12557936 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (228372643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114186326 + 114186327.

It is an arithmetic number, because the mean of its divisors is an integer number (114186327).

Almost surely, 2^228372653 is an apocalyptic number.

It is an amenable number.

228372653 is a deficient number, since it is larger than the sum of its proper divisors (1).

228372653 is an equidigital number, since it uses as much as digits as its factorization.

228372653 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120960, while the sum is 38.

The square root of 228372653 is about 15112.0036064051. The cubic root of 228372653 is about 611.2441265852.

The spelling of 228372653 in words is "two hundred twenty-eight million, three hundred seventy-two thousand, six hundred fifty-three".