30226287985 has 8 divisors (see below), whose sum is σ = 36278148456. Its totient is φ = 24176628480.

The previous prime is 30226287983. The next prime is 30226288003. The reversal of 30226287985 is 58978262203.

It can be written as a sum of positive squares in 4 ways, for example, as 8902111201 + 21324176784 = 94351^2 + 146028^2 .

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

It is not a de Polignac number, because 30226287985 - 2¹ = 30226287983 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30226287983) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 519874 + ... + 575083.

It is an arithmetic number, because the mean of its divisors is an integer number (4534768557).

Almost surely, 2^30226287985 is an apocalyptic number.

It is an amenable number.

30226287985 is a deficient number, since it is larger than the sum of its proper divisors (6051860471).

30226287985 is a wasteful number, since it uses less digits than its factorization.

30226287985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1100483.

The product of its (nonzero) digits is 2903040, while the sum is 52.

The spelling of 30226287985 in words is "thirty billion, two hundred twenty-six million, two hundred eighty-seven thousand, nine hundred eighty-five".