69244221 has 8 divisors (see below), whose sum is σ = 92937664. Its totient is φ = 45856800.

The previous prime is 69244177. The next prime is 69244243. The reversal of 69244221 is 12244296.

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

It is not a de Polignac number, because 69244221 - 2⁹ = 69243709 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 (69244261) 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 7 ways as a sum of consecutive naturals, for example, 75976 + ... + 76881.

It is an arithmetic number, because the mean of its divisors is an integer number (11617208).

Almost surely, 2^69244221 is an apocalyptic number.

It is an amenable number.

69244221 is a deficient number, since it is larger than the sum of its proper divisors (23693443).

69244221 is a wasteful number, since it uses less digits than its factorization.

69244221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153011.

The product of its digits is 6912, while the sum is 30.

The square root of 69244221 is about 8321.3112548444. The cubic root of 69244221 is about 410.6399306744.

The spelling of 69244221 in words is "sixty-nine million, two hundred forty-four thousand, two hundred twenty-one".