213014444 has 12 divisors (see below), whose sum is σ = 373106664. Its totient is φ = 106412544.

The previous prime is 213014443. The next prime is 213014447. The reversal of 213014444 is 444410312.

It is a happy number.

It is a super-4 number, since 4×213014444⁴ (a number of 34 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (213014443) 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, 18482 + ... + 27705.

It is an arithmetic number, because the mean of its divisors is an integer number (31092222).

Almost surely, 2^213014444 is an apocalyptic number.

It is an amenable number.

213014444 is a deficient number, since it is larger than the sum of its proper divisors (160092220).

213014444 is a wasteful number, since it uses less digits than its factorization.

213014444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47344 (or 47342 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 213014444 is about 14595.0143542238. The cubic root of 213014444 is about 597.2227610368. Note that the first 3 decimals are identical.

Adding to 213014444 its reverse (444410312), we get a palindrome (657424756).

The spelling of 213014444 in words is "two hundred thirteen million, fourteen thousand, four hundred forty-four".