69472226 has 16 divisors (see below), whose sum is σ = 108078840. Its totient is φ = 33452160.

The previous prime is 69472223. The next prime is 69472261. The reversal of 69472226 is 62227496.

69472226 = T₁₂₂₀ + T₁₂₂₁ + ... + T₁₃₀₆.

It is a happy number.

It is a Cunningham number, because it is equal to 8335²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 69472225 + 1 = 8335^2 + 1^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 69472226.

It is not an unprimeable number, because it can be changed into a prime (69472223) 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, 25196 + ... + 27816.

Almost surely, 2^69472226 is an apocalyptic number.

69472226 is a deficient number, since it is larger than the sum of its proper divisors (38606614).

69472226 is a wasteful number, since it uses less digits than its factorization.

69472226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3109.

The product of its digits is 72576, while the sum is 38.

The square root of 69472226 is about 8335.0000599880. Note that the first 4 decimals coincide. The cubic root of 69472226 is about 411.0901505803.

The spelling of 69472226 in words is "sixty-nine million, four hundred seventy-two thousand, two hundred twenty-six".