228022946 has 8 divisors (see below), whose sum is σ = 346720044. Its totient is φ = 112449600.

The previous prime is 228022939. The next prime is 228022957. The reversal of 228022946 is 649220822.

It can be written as a sum of positive squares in 2 ways, for example, as 223353025 + 4669921 = 14945^2 + 2161^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 780755 + ... + 781046.

Almost surely, 2^228022946 is an apocalyptic number.

228022946 is a deficient number, since it is larger than the sum of its proper divisors (118697098).

228022946 is a wasteful number, since it uses less digits than its factorization.

228022946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1561876.

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 228022946 is about 15100.4286694120. The cubic root of 228022946 is about 610.9319678565.

The spelling of 228022946 in words is "two hundred twenty-eight million, twenty-two thousand, nine hundred forty-six".