228820695 has 16 divisors (see below), whose sum is σ = 366888960. Its totient is φ = 121779104.

The previous prime is 228820687. The next prime is 228820723. The reversal of 228820695 is 596028822.

It is a cyclic number.

It is not a de Polignac number, because 228820695 - 2³ = 228820687 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8739 + ... + 23108.

It is an arithmetic number, because the mean of its divisors is an integer number (22930560).

Almost surely, 2^228820695 is an apocalyptic number.

228820695 is a deficient number, since it is larger than the sum of its proper divisors (138068265).

228820695 is a wasteful number, since it uses less digits than its factorization.

228820695 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32334.

The product of its (nonzero) digits is 138240, while the sum is 42.

The square root of 228820695 is about 15126.8203863205. The cubic root of 228820695 is about 611.6435966851.

The spelling of 228820695 in words is "two hundred twenty-eight million, eight hundred twenty thousand, six hundred ninety-five".