229615772 has 6 divisors (see below), whose sum is σ = 401827608. Its totient is φ = 114807884.

The previous prime is 229615759. The next prime is 229615783. The reversal of 229615772 is 277516922.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28701968 + ... + 28701975.

It is an arithmetic number, because the mean of its divisors is an integer number (66971268).

Almost surely, 2^229615772 is an apocalyptic number.

It is an amenable number.

229615772 is a deficient number, since it is larger than the sum of its proper divisors (172211836).

229615772 is a wasteful number, since it uses less digits than its factorization.

229615772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57403947 (or 57403945 counting only the distinct ones).

The product of its digits is 105840, while the sum is 41.

The square root of 229615772 is about 15153.0779711582. The cubic root of 229615772 is about 612.3511981718.

The spelling of 229615772 in words is "two hundred twenty-nine million, six hundred fifteen thousand, seven hundred seventy-two".