226486620 has 144 divisors (see below), whose sum is σ = 729001728. Its totient is φ = 56816640.

The previous prime is 226486609. The next prime is 226486639. The reversal of 226486620 is 26684622.

226486620 is a `hidden beast` number, since 2 + 2 + 648 + 6 + 6 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 205912 + ... + 207008.

It is an arithmetic number, because the mean of its divisors is an integer number (5062512).

Almost surely, 2^226486620 is an apocalyptic number.

226486620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 226486620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (364500864).

226486620 is an abundant number, since it is smaller than the sum of its proper divisors (502515108).

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

226486620 is a wasteful number, since it uses less digits than its factorization.

226486620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1180 (or 1175 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The square root of 226486620 is about 15049.4724160018. The cubic root of 226486620 is about 609.5568042945.

The spelling of 226486620 in words is "two hundred twenty-six million, four hundred eighty-six thousand, six hundred twenty".