226476621 has 16 divisors (see below), whose sum is σ = 383452800. Its totient is φ = 129415104.

The previous prime is 226476619. The next prime is 226476629. The reversal of 226476621 is 126674622.

226476621 is a `hidden beast` number, since 2 + 2 + 647 + 6 + 6 + 2 + 1 = 666.

It is not a de Polignac number, because 226476621 - 2¹ = 226476619 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226476629) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 598956 + ... + 599333.

It is an arithmetic number, because the mean of its divisors is an integer number (23965800).

Almost surely, 2^226476621 is an apocalyptic number.

226476621 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

226476621 is a deficient number, since it is larger than the sum of its proper divisors (156976179).

226476621 is a wasteful number, since it uses less digits than its factorization.

226476621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1198305 (or 1198299 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 226476621 is about 15049.1402079986. The cubic root of 226476621 is about 609.5478338630.

The spelling of 226476621 in words is "two hundred twenty-six million, four hundred seventy-six thousand, six hundred twenty-one".