228718061 has 8 divisors (see below), whose sum is σ = 268703904. Its totient is φ = 191931120.

The previous prime is 228718033. The next prime is 228718109. The reversal of 228718061 is 160817822.

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

It is a cyclic number.

It is not a de Polignac number, because 228718061 - 2²² = 224523757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228718001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 799571 + ... + 799856.

It is an arithmetic number, because the mean of its divisors is an integer number (33587988).

Almost surely, 2^228718061 is an apocalyptic number.

It is an amenable number.

228718061 is a deficient number, since it is larger than the sum of its proper divisors (39985843).

228718061 is a wasteful number, since it uses less digits than its factorization.

228718061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1599451.

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

The square root of 228718061 is about 15123.4275546253. The cubic root of 228718061 is about 611.5521352362.

The spelling of 228718061 in words is "two hundred twenty-eight million, seven hundred eighteen thousand, sixty-one".