226321004 has 48 divisors (see below), whose sum is σ = 497448000. Its totient is φ = 89526528.

The previous prime is 226320979. The next prime is 226321019. The reversal of 226321004 is 400123622.

It is a super-4 number, since 4×226321004⁴ (a number of 35 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11492 + ... + 24180.

It is an arithmetic number, because the mean of its divisors is an integer number (10363500).

Almost surely, 2^226321004 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 226321004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (248724000).

226321004 is an abundant number, since it is smaller than the sum of its proper divisors (271126996).

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

226321004 is a wasteful number, since it uses less digits than its factorization.

226321004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12727 (or 12711 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 226321004 is about 15043.9690241638. The cubic root of 226321004 is about 609.4081906936.

Adding to 226321004 its reverse (400123622), we get a palindrome (626444626).

The spelling of 226321004 in words is "two hundred twenty-six million, three hundred twenty-one thousand, four".