226081404 has 18 divisors (see below), whose sum is σ = 571483640. Its totient is φ = 75360456.

The previous prime is 226081403. The next prime is 226081409. The reversal of 226081404 is 404180622.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×226081404² = 102225602469222432, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226081403) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3139984 + ... + 3140055.

Almost surely, 2^226081404 is an apocalyptic number.

It is an amenable number.

226081404 is an abundant number, since it is smaller than the sum of its proper divisors (345402236).

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

226081404 is a wasteful number, since it uses less digits than its factorization.

226081404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6280049 (or 6280044 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 226081404 is about 15036.0035913803. The cubic root of 226081404 is about 609.1930600350.

The spelling of 226081404 in words is "two hundred twenty-six million, eighty-one thousand, four hundred four".