47227636 has 12 divisors (see below), whose sum is σ = 83204100. Its totient is φ = 23455040.

The previous prime is 47227627. The next prime is 47227637. The reversal of 47227636 is 63672274.

47227636 = T₆₁ + T₆₂ + ... + T₆₅₆.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 26977636 + 20250000 = 5194^2 + 4500^2 .

It is a junction number, because it is equal to n+sod(n) for n = 47227595 and 47227604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47227637) 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, 39025 + ... + 40216.

It is an arithmetic number, because the mean of its divisors is an integer number (6933675).

Almost surely, 2^47227636 is an apocalyptic number.

It is an amenable number.

47227636 is a deficient number, since it is larger than the sum of its proper divisors (35976464).

47227636 is a wasteful number, since it uses less digits than its factorization.

47227636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79394 (or 79392 counting only the distinct ones).

The product of its digits is 84672, while the sum is 37.

The square root of 47227636 is about 6872.2366082666. The cubic root of 47227636 is about 361.4642931419.

The spelling of 47227636 in words is "forty-seven million, two hundred twenty-seven thousand, six hundred thirty-six".