229556477 has 4 divisors (see below), whose sum is σ = 229656960. Its totient is φ = 229455996.

The previous prime is 229556471. The next prime is 229556479. The reversal of 229556477 is 774655922.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 229556477 - 2⁸ = 229556221 is a prime.

It is a super-2 number, since 2×229556477² = 105392352265303058, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229556471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46733 + ... + 51410.

It is an arithmetic number, because the mean of its divisors is an integer number (57414240).

Almost surely, 2^229556477 is an apocalyptic number.

It is an amenable number.

229556477 is a deficient number, since it is larger than the sum of its proper divisors (100483).

229556477 is an equidigital number, since it uses as much as digits as its factorization.

229556477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100482.

The product of its digits is 1058400, while the sum is 47.

The square root of 229556477 is about 15151.1213116390. The cubic root of 229556477 is about 612.2984833112.

The spelling of 229556477 in words is "two hundred twenty-nine million, five hundred fifty-six thousand, four hundred seventy-seven".