228510722 has 8 divisors (see below), whose sum is σ = 373926672. Its totient is φ = 103868500.

The previous prime is 228510673. The next prime is 228510743. The reversal of 228510722 is 227015822.

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

It is a super-2 number, since 2×228510722² = 104434300137922568, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5193404 + ... + 5193447.

It is an arithmetic number, because the mean of its divisors is an integer number (46740834).

Almost surely, 2^228510722 is an apocalyptic number.

228510722 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

228510722 is a deficient number, since it is larger than the sum of its proper divisors (145415950).

228510722 is a wasteful number, since it uses less digits than its factorization.

228510722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10386864.

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 228510722 is about 15116.5711059089. The cubic root of 228510722 is about 611.3672832801.

The spelling of 228510722 in words is "two hundred twenty-eight million, five hundred ten thousand, seven hundred twenty-two".