228270087 has 6 divisors (see below), whose sum is σ = 329723472. Its totient is φ = 152180052.

The previous prime is 228270073. The next prime is 228270103. The reversal of 228270087 is 780072822.

It is not a de Polignac number, because 228270087 - 2⁴ = 228270071 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228270037) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12681663 + ... + 12681680.

It is an arithmetic number, because the mean of its divisors is an integer number (54953912).

Almost surely, 2^228270087 is an apocalyptic number.

228270087 is a deficient number, since it is larger than the sum of its proper divisors (101453385).

228270087 is a wasteful number, since it uses less digits than its factorization.

228270087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25363349 (or 25363346 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 36.

The square root of 228270087 is about 15108.6096977849. The cubic root of 228270087 is about 611.1526062096.

The spelling of 228270087 in words is "two hundred twenty-eight million, two hundred seventy thousand, eighty-seven".