229078636 has 6 divisors (see below), whose sum is σ = 400887620. Its totient is φ = 114539316.

The previous prime is 229078631. The next prime is 229078637. The reversal of 229078636 is 636870922.

It is a junction number, because it is equal to n+sod(n) for n = 229078592 and 229078601.

It is not an unprimeable number, because it can be changed into a prime (229078631) 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 as a sum of consecutive naturals, namely, 28634826 + ... + 28634833.

Almost surely, 2^229078636 is an apocalyptic number.

It is an amenable number.

229078636 is a deficient number, since it is larger than the sum of its proper divisors (171808984).

229078636 is a wasteful number, since it uses less digits than its factorization.

229078636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57269663 (or 57269661 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 43.

The square root of 229078636 is about 15135.3439339845. The cubic root of 229078636 is about 611.8733380205.

The spelling of 229078636 in words is "two hundred twenty-nine million, seventy-eight thousand, six hundred thirty-six".