228326953 has 2 divisors, whose sum is σ = 228326954. Its totient is φ = 228326952.

The previous prime is 228326921. The next prime is 228326981. The reversal of 228326953 is 359623822.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 211615209 + 16711744 = 14547^2 + 4088^2 .

It is a cyclic number.

It is not a de Polignac number, because 228326953 - 2⁵ = 228326921 is a prime.

It is not a weakly prime, because it can be changed into another prime (228326993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114163476 + 114163477.

It is an arithmetic number, because the mean of its divisors is an integer number (114163477).

Almost surely, 2^228326953 is an apocalyptic number.

It is an amenable number.

228326953 is a deficient number, since it is larger than the sum of its proper divisors (1).

228326953 is an equidigital number, since it uses as much as digits as its factorization.

228326953 is an evil number, because the sum of its binary digits is even.

The product of its digits is 155520, while the sum is 40.

The square root of 228326953 is about 15110.4914877048. The cubic root of 228326953 is about 611.2033515336.

The spelling of 228326953 in words is "two hundred twenty-eight million, three hundred twenty-six thousand, nine hundred fifty-three".