69220985 has 16 divisors (see below), whose sum is σ = 86845440. Its totient is φ = 52902720.

The previous prime is 69220981. The next prime is 69220993. The reversal of 69220985 is 58902296.

It is not a de Polignac number, because 69220985 - 2² = 69220981 is a prime.

It is not an unprimeable number, because it can be changed into a prime (69220981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9419 + ... + 15071.

It is an arithmetic number, because the mean of its divisors is an integer number (5427840).

Almost surely, 2^69220985 is an apocalyptic number.

It is an amenable number.

69220985 is a deficient number, since it is larger than the sum of its proper divisors (17624455).

69220985 is a wasteful number, since it uses less digits than its factorization.

69220985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5768.

The product of its (nonzero) digits is 77760, while the sum is 41.

The square root of 69220985 is about 8319.9149635077. The cubic root of 69220985 is about 410.5939932817.

The spelling of 69220985 in words is "sixty-nine million, two hundred twenty thousand, nine hundred eighty-five".