226016505 has 144 divisors (see below), whose sum is σ = 483345408. Its totient is φ = 96940800.

The previous prime is 226016383. The next prime is 226016507. The reversal of 226016505 is 505610622.

226016505 is a `hidden beast` number, since 2 + 2 + 6 + 0 + 1 + 650 + 5 = 666.

It is not a de Polignac number, because 226016505 - 2¹³ = 226008313 is a prime.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (226016507) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 2194284 + ... + 2194386.

Almost surely, 2^226016505 is an apocalyptic number.

It is an amenable number.

226016505 is an abundant number, since it is smaller than the sum of its proper divisors (257328903).

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

226016505 is a wasteful number, since it uses less digits than its factorization.

226016505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180 (or 166 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 226016505 is about 15033.8453164851. The cubic root of 226016505 is about 609.1347627383.

The spelling of 226016505 in words is "two hundred twenty-six million, sixteen thousand, five hundred five".