229477631 has 2 divisors, whose sum is σ = 229477632. Its totient is φ = 229477630.

The previous prime is 229477583. The next prime is 229477673. The reversal of 229477631 is 136774922.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 229477631 - 2¹⁴ = 229461247 is a prime.

It is a super-2 number, since 2×229477631² = 105319966258744322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (229477691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114738815 + 114738816.

It is an arithmetic number, because the mean of its divisors is an integer number (114738816).

Almost surely, 2^229477631 is an apocalyptic number.

229477631 is a deficient number, since it is larger than the sum of its proper divisors (1).

229477631 is an equidigital number, since it uses as much as digits as its factorization.

229477631 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 127008, while the sum is 41.

The square root of 229477631 is about 15148.5191025394. The cubic root of 229477631 is about 612.2283730197.

The spelling of 229477631 in words is "two hundred twenty-nine million, four hundred seventy-seven thousand, six hundred thirty-one".