228601444 has 6 divisors (see below), whose sum is σ = 400052534. Its totient is φ = 114300720.

The previous prime is 228601433. The next prime is 228601447. The reversal of 228601444 is 444106822.

It can be written as a sum of positive squares in only one way, i.e., 189062500 + 39538944 = 13750^2 + 6288^2 .

It is not an unprimeable number, because it can be changed into a prime (228601447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28575177 + ... + 28575184.

Almost surely, 2^228601444 is an apocalyptic number.

It is an amenable number.

228601444 is a deficient number, since it is larger than the sum of its proper divisors (171451090).

228601444 is a wasteful number, since it uses less digits than its factorization.

228601444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57150365 (or 57150363 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 31.

The square root of 228601444 is about 15119.5715547763. The cubic root of 228601444 is about 611.4481797383.

The spelling of 228601444 in words is "two hundred twenty-eight million, six hundred one thousand, four hundred forty-four".