47212210 has 8 divisors (see below), whose sum is σ = 84981996. Its totient is φ = 18884880.

The previous prime is 47212201. The next prime is 47212211. The reversal of 47212210 is 1221274.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 43837641 + 3374569 = 6621^2 + 1837^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (47212211) 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, 2360601 + ... + 2360620.

Almost surely, 2^47212210 is an apocalyptic number.

47212210 is a deficient number, since it is larger than the sum of its proper divisors (37769786).

47212210 is a wasteful number, since it uses less digits than its factorization.

47212210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4721228.

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 47212210 is about 6871.1141745717. The cubic root of 47212210 is about 361.4249337339.

Adding to 47212210 its reverse (1221274), we get a palindrome (48433484).

The spelling of 47212210 in words is "forty-seven million, two hundred twelve thousand, two hundred ten".