226387404 has 36 divisors (see below), whose sum is σ = 586218360. Its totient is φ = 73621440.

The previous prime is 226387393. The next prime is 226387457. The reversal of 226387404 is 404783622.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 75214 + ... + 78165.

Almost surely, 2^226387404 is an apocalyptic number.

It is an amenable number.

226387404 is an abundant number, since it is smaller than the sum of its proper divisors (359830956).

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

226387404 is a wasteful number, since it uses less digits than its factorization.

226387404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153430 (or 153425 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 36.

The square root of 226387404 is about 15046.1757267420. The cubic root of 226387404 is about 609.4677826692.

The spelling of 226387404 in words is "two hundred twenty-six million, three hundred eighty-seven thousand, four hundred four".