228494554 has 8 divisors (see below), whose sum is σ = 349208820. Its totient is φ = 112091616.

The previous prime is 228494549. The next prime is 228494557. The reversal of 228494554 is 455494822.

It can be written as a sum of positive squares in 2 ways, for example, as 228463225 + 31329 = 15115^2 + 177^2 .

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

It is a super-2 number, since 2×228494554² = 104419522415317832, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 228494554.

It is not an unprimeable number, because it can be changed into a prime (228494557) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1077699 + ... + 1077910.

Almost surely, 2^228494554 is an apocalyptic number.

228494554 is a deficient number, since it is larger than the sum of its proper divisors (120714266).

228494554 is a wasteful number, since it uses less digits than its factorization.

228494554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2155664.

The product of its digits is 460800, while the sum is 43.

The square root of 228494554 is about 15116.0363190884. The cubic root of 228494554 is about 611.3528640889.

The spelling of 228494554 in words is "two hundred twenty-eight million, four hundred ninety-four thousand, five hundred fifty-four".