69997227 has 8 divisors (see below), whose sum is σ = 93497664. Its totient is φ = 46580808.

The previous prime is 69997219. The next prime is 69997243. The reversal of 69997227 is 72279996.

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

It is not a de Polignac number, because 69997227 - 2³ = 69997219 is a prime.

It is a super-2 number, since 2×69997227² = 9799223575379058, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 69997227.

It is not an unprimeable number, because it can be changed into a prime (69997327) 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, 19033 + ... + 22410.

It is an arithmetic number, because the mean of its divisors is an integer number (11687208).

Almost surely, 2^69997227 is an apocalyptic number.

69997227 is a deficient number, since it is larger than the sum of its proper divisors (23500437).

69997227 is a wasteful number, since it uses less digits than its factorization.

69997227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42009.

The product of its digits is 857304, while the sum is 51.

The square root of 69997227 is about 8366.4345452528. The cubic root of 69997227 is about 412.1230878499.

The spelling of 69997227 in words is "sixty-nine million, nine hundred ninety-seven thousand, two hundred twenty-seven".