229193644 has 24 divisors (see below), whose sum is σ = 406140336. Its totient is φ = 113160000.

The previous prime is 229193623. The next prime is 229193659. The reversal of 229193644 is 446391922.

It is a junction number, because it is equal to n+sod(n) for n = 229193597 and 229193606.

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, 278754 + ... + 279574.

It is an arithmetic number, because the mean of its divisors is an integer number (16922514).

Almost surely, 2^229193644 is an apocalyptic number.

It is an amenable number.

229193644 is a deficient number, since it is larger than the sum of its proper divisors (176946692).

229193644 is a wasteful number, since it uses less digits than its factorization.

229193644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1617 (or 1615 counting only the distinct ones).

The product of its digits is 93312, while the sum is 40.

The square root of 229193644 is about 15139.1427762605. The cubic root of 229193644 is about 611.9757170652.

The spelling of 229193644 in words is "two hundred twenty-nine million, one hundred ninety-three thousand, six hundred forty-four".