228883738 has 4 divisors (see below), whose sum is σ = 343325610. Its totient is φ = 114441868.

The previous prime is 228883729. The next prime is 228883799. The reversal of 228883738 is 837388822.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 225810729 + 3073009 = 15027^2 + 1753^2 .

It is a junction number, because it is equal to n+sod(n) for n = 228883691 and 228883700.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57220933 + ... + 57220936.

Almost surely, 2^228883738 is an apocalyptic number.

228883738 is a deficient number, since it is larger than the sum of its proper divisors (114441872).

228883738 is a wasteful number, since it uses less digits than its factorization.

228883738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114441871.

The product of its digits is 1032192, while the sum is 49.

The square root of 228883738 is about 15128.9040581266. The cubic root of 228883738 is about 611.6997633801.

The spelling of 228883738 in words is "two hundred twenty-eight million, eight hundred eighty-three thousand, seven hundred thirty-eight".