69474228 has 12 divisors (see below), whose sum is σ = 162106560. Its totient is φ = 23158072.

The previous prime is 69474187. The next prime is 69474239. The reversal of 69474228 is 82247496.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 69474228.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2894748 + ... + 2894771.

It is an arithmetic number, because the mean of its divisors is an integer number (13508880).

Almost surely, 2^69474228 is an apocalyptic number.

It is an amenable number.

69474228 is an abundant number, since it is smaller than the sum of its proper divisors (92632332).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

69474228 is a wasteful number, since it uses less digits than its factorization.

69474228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5789526 (or 5789524 counting only the distinct ones).

The product of its digits is 193536, while the sum is 42.

The square root of 69474228 is about 8335.1201551027. The cubic root of 69474228 is about 411.0940993745.

It can be divided in two parts, 6947 and 4228, that added together give a triangular number (11175 = T₁₄₉).

The spelling of 69474228 in words is "sixty-nine million, four hundred seventy-four thousand, two hundred twenty-eight".