226129365 has 72 divisors (see below), whose sum is σ = 497454048. Its totient is φ = 93965760.

The previous prime is 226129357. The next prime is 226129367. The reversal of 226129365 is 563921622.

226129365 is a `hidden beast` number, since 2 + 2 + 612 + 9 + 36 + 5 = 666.

It is not a de Polignac number, because 226129365 - 2³ = 226129357 is a prime.

It is a super-2 number, since 2×226129365² = 102268979430606450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226129367) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 19594 + ... + 28916.

It is an arithmetic number, because the mean of its divisors is an integer number (6909084).

Almost surely, 2^226129365 is an apocalyptic number.

It is an amenable number.

226129365 is an abundant number, since it is smaller than the sum of its proper divisors (271324683).

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

226129365 is a wasteful number, since it uses less digits than its factorization.

226129365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9359 (or 9349 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 226129365 is about 15037.5983787306. The cubic root of 226129365 is about 609.2361351428.

It can be divided in two parts, 2261 and 29365, that added together give a triangular number (31626 = T₂₅₁).

The spelling of 226129365 in words is "two hundred twenty-six million, one hundred twenty-nine thousand, three hundred sixty-five".