226215560 has 32 divisors (see below), whose sum is σ = 509492160. Its totient is φ = 90396096.

The previous prime is 226215553. The next prime is 226215569. The reversal of 226215560 is 65512622.

It is a super-2 number, since 2×226215560² = 102346959172227200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (226215569) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50117 + ... + 54443.

It is an arithmetic number, because the mean of its divisors is an integer number (15921630).

Almost surely, 2^226215560 is an apocalyptic number.

226215560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

226215560 is an abundant number, since it is smaller than the sum of its proper divisors (283276600).

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

226215560 is a wasteful number, since it uses less digits than its factorization.

226215560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5645 (or 5641 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 226215560 is about 15040.4640885845. The cubic root of 226215560 is about 609.3135339625.

The spelling of 226215560 in words is "two hundred twenty-six million, two hundred fifteen thousand, five hundred sixty".