229620133 has 2 divisors, whose sum is σ = 229620134. Its totient is φ = 229620132.

The previous prime is 229620119. The next prime is 229620151. The reversal of 229620133 is 331026922.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 229613409 + 6724 = 15153^2 + 82^2 .

It is a cyclic number.

It is not a de Polignac number, because 229620133 - 2¹⁷ = 229489061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (229620103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114810066 + 114810067.

It is an arithmetic number, because the mean of its divisors is an integer number (114810067).

Almost surely, 2^229620133 is an apocalyptic number.

It is an amenable number.

229620133 is a deficient number, since it is larger than the sum of its proper divisors (1).

229620133 is an equidigital number, since it uses as much as digits as its factorization.

229620133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 229620133 is about 15153.2218686324. The cubic root of 229620133 is about 612.3550748606.

The spelling of 229620133 in words is "two hundred twenty-nine million, six hundred twenty thousand, one hundred thirty-three".