226761390 has 64 divisors (see below), whose sum is σ = 636537600. Its totient is φ = 57285792.

The previous prime is 226761383. The next prime is 226761407. The reversal of 226761390 is 93167622.

226761390 is a `hidden beast` number, since 2 + 267 + 6 + 1 + 390 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16972 + ... + 27231.

It is an arithmetic number, because the mean of its divisors is an integer number (9945900).

Almost surely, 2^226761390 is an apocalyptic number.

226761390 is an abundant number, since it is smaller than the sum of its proper divisors (409776210).

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

226761390 is a wasteful number, since it uses less digits than its factorization.

226761390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44238 (or 44232 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 226761390 is about 15058.5985403689. The cubic root of 226761390 is about 609.8032062490.

The spelling of 226761390 in words is "two hundred twenty-six million, seven hundred sixty-one thousand, three hundred ninety".