69805223 has 4 divisors (see below), whose sum is σ = 70847160. Its totient is φ = 68763288.

The previous prime is 69805217. The next prime is 69805237. The reversal of 69805223 is 32250896.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 69805223 - 2⁸ = 69804967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69802223) 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 3 ways as a sum of consecutive naturals, for example, 520868 + ... + 521001.

It is an arithmetic number, because the mean of its divisors is an integer number (17711790).

Almost surely, 2^69805223 is an apocalyptic number.

69805223 is a deficient number, since it is larger than the sum of its proper divisors (1041937).

69805223 is a wasteful number, since it uses less digits than its factorization.

69805223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1041936.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 69805223 is about 8354.9520046497. The cubic root of 69805223 is about 411.7459217518.

The spelling of 69805223 in words is "sixty-nine million, eight hundred five thousand, two hundred twenty-three".