69872122 has 4 divisors (see below), whose sum is σ = 104808186. Its totient is φ = 34936060.

The previous prime is 69872111. The next prime is 69872123. The reversal of 69872122 is 22127896.

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

It can be written as a sum of positive squares in only one way, i.e., 37711881 + 32160241 = 6141^2 + 5671^2 .

It is a super-2 number, since 2×69872122² = 9764226865565768, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (69872123) by changing a digit.

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 as a sum of consecutive naturals, namely, 17468029 + ... + 17468032.

Almost surely, 2^69872122 is an apocalyptic number.

69872122 is a deficient number, since it is larger than the sum of its proper divisors (34936064).

69872122 is a wasteful number, since it uses less digits than its factorization.

69872122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34936063.

The product of its digits is 24192, while the sum is 37.

The square root of 69872122 is about 8358.9545997092. The cubic root of 69872122 is about 411.8774142791.

The spelling of 69872122 in words is "sixty-nine million, eight hundred seventy-two thousand, one hundred twenty-two".