58440228 has 48 divisors (see below), whose sum is σ = 170010624. Its totient is φ = 15179040.

The previous prime is 58440197. The next prime is 58440233. The reversal of 58440228 is 82204485.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30700 + ... + 32547.

It is an arithmetic number, because the mean of its divisors is an integer number (3541888).

Almost surely, 2^58440228 is an apocalyptic number.

It is an amenable number.

58440228 is an abundant number, since it is smaller than the sum of its proper divisors (111570396).

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

58440228 is a wasteful number, since it uses less digits than its factorization.

58440228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63272 (or 63270 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 33.

The square root of 58440228 is about 7644.6208539077. The cubic root of 58440228 is about 388.0645462462.

The spelling of 58440228 in words is "fifty-eight million, four hundred forty thousand, two hundred twenty-eight".