228109694 has 8 divisors (see below), whose sum is σ = 347964120. Its totient is φ = 112121656.

The previous prime is 228109681. The next prime is 228109697. The reversal of 228109694 is 496901822.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228109697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 966449 + ... + 966684.

It is an arithmetic number, because the mean of its divisors is an integer number (43495515).

Almost surely, 2^228109694 is an apocalyptic number.

228109694 is a deficient number, since it is larger than the sum of its proper divisors (119854426).

228109694 is a wasteful number, since it uses less digits than its factorization.

228109694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1933194.

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 228109694 is about 15103.3007650646. The cubic root of 228109694 is about 611.0094314160.

The spelling of 228109694 in words is "two hundred twenty-eight million, one hundred nine thousand, six hundred ninety-four".