229213956 has 24 divisors (see below), whose sum is σ = 535215520. Its totient is φ = 76349952.

The previous prime is 229213949. The next prime is 229213979. The reversal of 229213956 is 659312922.

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, 12900 + ... + 24996.

Almost surely, 2^229213956 is an apocalyptic number.

It is an amenable number.

229213956 is an abundant number, since it is smaller than the sum of its proper divisors (306001564).

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

229213956 is a wasteful number, since it uses less digits than its factorization.

229213956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13683 (or 13681 counting only the distinct ones).

The product of its digits is 58320, while the sum is 39.

The square root of 229213956 is about 15139.8136051934. The cubic root of 229213956 is about 611.9937950586.

It can be divided in two parts, 229 and 213956, that added together give a triangular number (214185 = T₆₅₄).

The spelling of 229213956 in words is "two hundred twenty-nine million, two hundred thirteen thousand, nine hundred fifty-six".