228010990 has 8 divisors (see below), whose sum is σ = 410419800. Its totient is φ = 91204392.

The previous prime is 228010967. The next prime is 228011009. The reversal of 228010990 is 99010822.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 11400540 + ... + 11400559.

It is an arithmetic number, because the mean of its divisors is an integer number (51302475).

Almost surely, 2^228010990 is an apocalyptic number.

228010990 is a deficient number, since it is larger than the sum of its proper divisors (182408810).

228010990 is a wasteful number, since it uses less digits than its factorization.

228010990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22801106.

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 228010990 is about 15100.0327814214. The cubic root of 228010990 is about 610.9212899395.

The spelling of 228010990 in words is "two hundred twenty-eight million, ten thousand, nine hundred ninety".