226311390 has 48 divisors (see below), whose sum is σ = 602770896. Its totient is φ = 58876800.

The previous prime is 226311383. The next prime is 226311391. The reversal of 226311390 is 93113622.

226311390 is a `hidden beast` number, since 2 + 263 + 11 + 390 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226311391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26976 + ... + 34355.

It is an arithmetic number, because the mean of its divisors is an integer number (12557727).

Almost surely, 2^226311390 is an apocalyptic number.

226311390 is an abundant number, since it is smaller than the sum of its proper divisors (376459506).

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

226311390 is a wasteful number, since it uses less digits than its factorization.

226311390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61385 (or 61382 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 226311390 is about 15043.6494907320. The cubic root of 226311390 is about 609.3995614558.

The spelling of 226311390 in words is "two hundred twenty-six million, three hundred eleven thousand, three hundred ninety".