226613640 has 96 divisors (see below), whose sum is σ = 747311040. Its totient is φ = 54933120.

The previous prime is 226613623. The next prime is 226613657. The reversal of 226613640 is 46316622.

It is an interprime number because it is at equal distance from previous prime (226613623) and next prime (226613657).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 226613598 and 226613607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6717 + ... + 22323.

It is an arithmetic number, because the mean of its divisors is an integer number (7784490).

Almost surely, 2^226613640 is an apocalyptic number.

226613640 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 226613640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (373655520).

226613640 is an abundant number, since it is smaller than the sum of its proper divisors (520697400).

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

226613640 is a wasteful number, since it uses less digits than its factorization.

226613640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15643 (or 15628 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 226613640 is about 15053.6919059744. The cubic root of 226613640 is about 609.6707351389.

The spelling of 226613640 in words is "two hundred twenty-six million, six hundred thirteen thousand, six hundred forty".