69222385 has 8 divisors (see below), whose sum is σ = 87953256. Its totient is φ = 52120320.

The previous prime is 69222379. The next prime is 69222397. The reversal of 69222385 is 58322296.

It can be written as a sum of positive squares in 4 ways, for example, as 3952144 + 65270241 = 1988^2 + 8079^2 .

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

It is not a de Polignac number, because 69222385 - 2⁵ = 69222353 is a prime.

It is a Duffinian number.

It is a plaindrome in base 13.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 407106 + ... + 407275.

It is an arithmetic number, because the mean of its divisors is an integer number (10994157).

Almost surely, 2^69222385 is an apocalyptic number.

It is an amenable number.

69222385 is a deficient number, since it is larger than the sum of its proper divisors (18730871).

69222385 is a wasteful number, since it uses less digits than its factorization.

69222385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 814403.

The product of its digits is 51840, while the sum is 37.

The square root of 69222385 is about 8319.9990985576. Note that the first 3 decimals coincide. The cubic root of 69222385 is about 410.5967613619.

The spelling of 69222385 in words is "sixty-nine million, two hundred twenty-two thousand, three hundred eighty-five".