228899782 has 8 divisors (see below), whose sum is σ = 346500000. Its totient is φ = 113399784.

The previous prime is 228899767. The next prime is 228899809. The reversal of 228899782 is 287998822.

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

It is a super-2 number, since 2×228899782² = 104790220399295048, which contains 22 as substring.

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, 524782 + ... + 525217.

It is an arithmetic number, because the mean of its divisors is an integer number (43312500).

Almost surely, 2^228899782 is an apocalyptic number.

228899782 is a deficient number, since it is larger than the sum of its proper divisors (117600218).

228899782 is a wasteful number, since it uses less digits than its factorization.

228899782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1050110.

The product of its digits is 2322432, while the sum is 55.

The square root of 228899782 is about 15129.4342921340. The cubic root of 228899782 is about 611.7140557625.

The spelling of 228899782 in words is "two hundred twenty-eight million, eight hundred ninety-nine thousand, seven hundred eighty-two".