226357380 has 72 divisors (see below), whose sum is σ = 727016472. Its totient is φ = 56810496.

The previous prime is 226357309. The next prime is 226357387. The reversal of 226357380 is 83753622.

226357380 is a `hidden beast` number, since 2 + 2 + 6 + 3 + 573 + 80 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 70157376 + 156200004 = 8376^2 + 12498^2 .

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

It is not an unprimeable number, because it can be changed into a prime (226357387) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33927 + ... + 40046.

It is an arithmetic number, because the mean of its divisors is an integer number (10097451).

Almost surely, 2^226357380 is an apocalyptic number.

226357380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

226357380 is an abundant number, since it is smaller than the sum of its proper divisors (500659092).

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

226357380 is a wasteful number, since it uses less digits than its factorization.

226357380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74005 (or 74000 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 226357380 is about 15045.1779650491. The cubic root of 226357380 is about 609.4408384880.

The spelling of 226357380 in words is "two hundred twenty-six million, three hundred fifty-seven thousand, three hundred eighty".