226620810 has 96 divisors (see below), whose sum is σ = 640720080. Its totient is φ = 55240704.

The previous prime is 226620799. The next prime is 226620811. The reversal of 226620810 is 18026622.

226620810 is a `hidden beast` number, since 2 + 26 + 620 + 8 + 10 = 666.

226620810 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 77316849 + 149303961 = 8793^2 + 12219^2 .

It is a super-2 number, since 2×226620810² = 102713983050112200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (226620811) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 126642 + ... + 128418.

Almost surely, 2^226620810 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 226620810, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (320360040).

226620810 is an abundant number, since it is smaller than the sum of its proper divisors (414099270).

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

226620810 is a wasteful number, since it uses less digits than its factorization.

226620810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1912 (or 1909 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 226620810 is about 15053.9300516510. The cubic root of 226620810 is about 609.6771650153.

The spelling of 226620810 in words is "two hundred twenty-six million, six hundred twenty thousand, eight hundred ten".