229797636 has 24 divisors (see below), whose sum is σ = 567735840. Its totient is φ = 72093312.

The previous prime is 229797629. The next prime is 229797643. The reversal of 229797636 is 636797922.

229797636 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (229797629) and next prime (229797643).

It is a super-2 number, since 2×229797636² = 105613907022376992, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 563026 + ... + 563433.

It is an arithmetic number, because the mean of its divisors is an integer number (23655660).

Almost surely, 2^229797636 is an apocalyptic number.

It is an amenable number.

229797636 is an abundant number, since it is smaller than the sum of its proper divisors (337938204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

229797636 is a wasteful number, since it uses less digits than its factorization.

229797636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1126483 (or 1126481 counting only the distinct ones).

The product of its digits is 1714608, while the sum is 51.

The square root of 229797636 is about 15159.0776764287. The cubic root of 229797636 is about 612.5128236105.

The spelling of 229797636 in words is "two hundred twenty-nine million, seven hundred ninety-seven thousand, six hundred thirty-six".