228869644 has 6 divisors (see below), whose sum is σ = 400521884. Its totient is φ = 114434820.

The previous prime is 228869639. The next prime is 228869671. The reversal of 228869644 is 446968822.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28608702 + ... + 28608709.

Almost surely, 2^228869644 is an apocalyptic number.

It is an amenable number.

228869644 is a deficient number, since it is larger than the sum of its proper divisors (171652240).

228869644 is a wasteful number, since it uses less digits than its factorization.

228869644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57217415 (or 57217413 counting only the distinct ones).

The product of its digits is 1327104, while the sum is 49.

The square root of 228869644 is about 15128.4382538318. The cubic root of 228869644 is about 611.6872075537.

The spelling of 228869644 in words is "two hundred twenty-eight million, eight hundred sixty-nine thousand, six hundred forty-four".