226202040 has 96 divisors (see below), whose sum is σ = 758908800. Its totient is φ = 58371840.

The previous prime is 226202027. The next prime is 226202069. The reversal of 226202040 is 40202622.

It is a happy number.

226202040 is a `hidden beast` number, since 2 + 2 + 620 + 2 + 0 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 1026 + ... + 21294.

It is an arithmetic number, because the mean of its divisors is an integer number (7905300).

Almost surely, 2^226202040 is an apocalyptic number.

226202040 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 226202040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (379454400).

226202040 is an abundant number, since it is smaller than the sum of its proper divisors (532706760).

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

226202040 is a wasteful number, since it uses less digits than its factorization.

226202040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20317 (or 20310 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 226202040 is about 15040.0146276525. The cubic root of 226202040 is about 609.3013949757.

Adding to 226202040 its reverse (40202622), we get a palindrome (266404662).

The spelling of 226202040 in words is "two hundred twenty-six million, two hundred two thousand, forty".