229497866 has 12 divisors (see below), whose sum is σ = 370852146. Its totient is φ = 105886440.

The previous prime is 229497859. The next prime is 229497883. The reversal of 229497866 is 668794922.

It can be written as a sum of positive squares in only one way, i.e., 220671025 + 8826841 = 14855^2 + 2971^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 75761 + ... + 78731.

Almost surely, 2^229497866 is an apocalyptic number.

229497866 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

229497866 is a deficient number, since it is larger than the sum of its proper divisors (141354280).

229497866 is an frugal number, since it uses more digits than its factorization.

229497866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5957 (or 2986 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 53.

The square root of 229497866 is about 15149.1869748842. The cubic root of 229497866 is about 612.2463676233.

The spelling of 229497866 in words is "two hundred twenty-nine million, four hundred ninety-seven thousand, eight hundred sixty-six".