228061718 has 4 divisors (see below), whose sum is σ = 342092580. Its totient is φ = 114030858.

The previous prime is 228061663. The next prime is 228061733. The reversal of 228061718 is 817160822.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×228061718² = 104024294434223048, 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 as a sum of consecutive naturals, namely, 57015428 + ... + 57015431.

It is an arithmetic number, because the mean of its divisors is an integer number (85523145).

Almost surely, 2^228061718 is an apocalyptic number.

228061718 is a deficient number, since it is larger than the sum of its proper divisors (114030862).

228061718 is a wasteful number, since it uses less digits than its factorization.

228061718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114030861.

The product of its (nonzero) digits is 10752, while the sum is 35.

The square root of 228061718 is about 15101.7124194576. The cubic root of 228061718 is about 610.9665926056.

The spelling of 228061718 in words is "two hundred twenty-eight million, sixty-one thousand, seven hundred eighteen".