920226287 has 8 divisors (see below), whose sum is σ = 935365200. Its totient is φ = 905209344.

The previous prime is 920226283. The next prime is 920226311. The reversal of 920226287 is 782622029.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 920226287 - 2² = 920226283 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 920226287.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (920226283) 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 7 ways as a sum of consecutive naturals, for example, 15218 + ... + 45519.

It is an arithmetic number, because the mean of its divisors is an integer number (116920650).

Almost surely, 2^920226287 is an apocalyptic number.

920226287 is a deficient number, since it is larger than the sum of its proper divisors (15138913).

920226287 is a wasteful number, since it uses less digits than its factorization.

920226287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60985.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 920226287 is about 30335.2317775883. The cubic root of 920226287 is about 972.6685603369.

The spelling of 920226287 in words is "nine hundred twenty million, two hundred twenty-six thousand, two hundred eighty-seven".