229091956 has 12 divisors (see below), whose sum is σ = 401022468. Its totient is φ = 114514112.

The previous prime is 229091927. The next prime is 229092011. The reversal of 229091956 is 659190922.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 222487056 + 6604900 = 14916^2 + 2570^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16680 + ... + 27136.

It is an arithmetic number, because the mean of its divisors is an integer number (33418539).

Almost surely, 2^229091956 is an apocalyptic number.

It is an amenable number.

229091956 is a deficient number, since it is larger than the sum of its proper divisors (171930512).

229091956 is a wasteful number, since it uses less digits than its factorization.

229091956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15938 (or 15936 counting only the distinct ones).

The product of its (nonzero) digits is 87480, while the sum is 43.

The square root of 229091956 is about 15135.7839572319. The cubic root of 229091956 is about 611.8851971140.

The spelling of 229091956 in words is "two hundred twenty-nine million, ninety-one thousand, nine hundred fifty-six".