226631505 has 16 divisors (see below), whose sum is σ = 383940864. Its totient is φ = 113760000.

The previous prime is 226631497. The next prime is 226631527. The reversal of 226631505 is 505136622.

It is not a de Polignac number, because 226631505 - 2³ = 226631497 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 444121 + ... + 444630.

It is an arithmetic number, because the mean of its divisors is an integer number (23996304).

Almost surely, 2^226631505 is an apocalyptic number.

It is an amenable number.

226631505 is a deficient number, since it is larger than the sum of its proper divisors (157309359).

226631505 is a wasteful number, since it uses less digits than its factorization.

226631505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 888776.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 226631505 is about 15054.2852703142. The cubic root of 226631505 is about 609.6867557714.

The spelling of 226631505 in words is "two hundred twenty-six million, six hundred thirty-one thousand, five hundred five".