47231444 has 36 divisors (see below), whose sum is σ = 90464220. Its totient is φ = 21565440.

The previous prime is 47231417. The next prime is 47231461. The reversal of 47231444 is 44413274.

It can be written as a sum of positive squares in 6 ways, for example, as 144400 + 47087044 = 380^2 + 6862^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 73364 + ... + 74004.

It is an arithmetic number, because the mean of its divisors is an integer number (2512895).

Almost surely, 2^47231444 is an apocalyptic number.

It is an amenable number.

47231444 is a deficient number, since it is larger than the sum of its proper divisors (43232776).

47231444 is a wasteful number, since it uses less digits than its factorization.

47231444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 780 (or 765 counting only the distinct ones).

The product of its digits is 10752, while the sum is 29.

The square root of 47231444 is about 6872.5136594990. The cubic root of 47231444 is about 361.4740079272.

The spelling of 47231444 in words is "forty-seven million, two hundred thirty-one thousand, four hundred forty-four".