226404660 has 24 divisors (see below), whose sum is σ = 633933216. Its totient is φ = 60374560.

The previous prime is 226404649. The next prime is 226404667. The reversal of 226404660 is 66404622.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226404667) 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, 1886646 + ... + 1886765.

It is an arithmetic number, because the mean of its divisors is an integer number (26413884).

Almost surely, 2^226404660 is an apocalyptic number.

226404660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

226404660 is an abundant number, since it is smaller than the sum of its proper divisors (407528556).

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

226404660 is a wasteful number, since it uses less digits than its factorization.

226404660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3773423 (or 3773421 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 226404660 is about 15046.7491505641. The cubic root of 226404660 is about 609.4832674954.

The spelling of 226404660 in words is "two hundred twenty-six million, four hundred four thousand, six hundred sixty".