228292532 has 24 divisors (see below), whose sum is σ = 431982432. Its totient is φ = 104940000.

The previous prime is 228292531. The next prime is 228292573. The reversal of 228292532 is 235292822.

It is a junction number, because it is equal to n+sod(n) for n = 228292492 and 228292501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228292531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4307 + ... + 21797.

It is an arithmetic number, because the mean of its divisors is an integer number (17999268).

Almost surely, 2^228292532 is an apocalyptic number.

It is an amenable number.

228292532 is a deficient number, since it is larger than the sum of its proper divisors (203689900).

228292532 is a wasteful number, since it uses less digits than its factorization.

228292532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17759 (or 17757 counting only the distinct ones).

The product of its digits is 34560, while the sum is 35.

The square root of 228292532 is about 15109.3524679253. The cubic root of 228292532 is about 611.1726363865.

The spelling of 228292532 in words is "two hundred twenty-eight million, two hundred ninety-two thousand, five hundred thirty-two".