228406026 has 8 divisors (see below), whose sum is σ = 456812064. Its totient is φ = 76135340.

The previous prime is 228406007. The next prime is 228406037. The reversal of 228406026 is 620604822.

228406026 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

228406026 is an admirable number.

It is a super-2 number, since 2×228406026² = 104338625426225352, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 228405984 and 228406002.

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, 19033830 + ... + 19033841.

It is an arithmetic number, because the mean of its divisors is an integer number (57101508).

Almost surely, 2^228406026 is an apocalyptic number.

228406026 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

228406026 is a wasteful number, since it uses less digits than its factorization.

228406026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38067676.

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 228406026 is about 15113.1077545288. The cubic root of 228406026 is about 611.2738996431.

It can be divided in two parts, 22 and 8406026, that added together give a palindrome (8406048).

The spelling of 228406026 in words is "two hundred twenty-eight million, four hundred six thousand, twenty-six".