40427228 has 12 divisors (see below), whose sum is σ = 71397480. Its totient is φ = 20027952.

The previous prime is 40427227. The next prime is 40427239. The reversal of 40427228 is 82272404.

It is a self number, because there is not a number n which added to its sum of digits gives 40427228.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40427221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45926 + ... + 46797.

It is an arithmetic number, because the mean of its divisors is an integer number (5949790).

Almost surely, 2^40427228 is an apocalyptic number.

It is an amenable number.

40427228 is a deficient number, since it is larger than the sum of its proper divisors (30970252).

40427228 is a wasteful number, since it uses less digits than its factorization.

40427228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92836 (or 92834 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 29.

The square root of 40427228 is about 6358.2409517098. The cubic root of 40427228 is about 343.2084626701.

The spelling of 40427228 in words is "forty million, four hundred twenty-seven thousand, two hundred twenty-eight".