10222985 has 8 divisors (see below), whose sum is σ = 12405960. Its totient is φ = 8086144.

The previous prime is 10222973. The next prime is 10222987. The reversal of 10222985 is 58922201.

10222985 = T₂₄₆ + T₂₄₇ + ... + T₄₂₃.

It can be written as a sum of positive squares in 4 ways, for example, as 369664 + 9853321 = 608^2 + 3139^2 .

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 10222985 - 2¹⁰ = 10221961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10222987) 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, 11042 + ... + 11931.

It is an arithmetic number, because the mean of its divisors is an integer number (1550745).

Almost surely, 2^10222985 is an apocalyptic number.

It is an amenable number.

10222985 is a deficient number, since it is larger than the sum of its proper divisors (2182975).

10222985 is an equidigital number, since it uses as much as digits as its factorization.

10222985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23067.

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 10222985 is about 3197.3403009376. The cubic root of 10222985 is about 217.0330670867.

The spelling of 10222985 in words is "ten million, two hundred twenty-two thousand, nine hundred eighty-five".