214072247 has 16 divisors (see below), whose sum is σ = 229298688. Its totient is φ = 199399200.

The previous prime is 214072231. The next prime is 214072253. The reversal of 214072247 is 742270412.

It is a cyclic number.

It is not a de Polignac number, because 214072247 - 2⁴ = 214072231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214072207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 183488 + ... + 184650.

It is an arithmetic number, because the mean of its divisors is an integer number (14331168).

Almost surely, 2^214072247 is an apocalyptic number.

214072247 is a deficient number, since it is larger than the sum of its proper divisors (15226441).

214072247 is a wasteful number, since it uses less digits than its factorization.

214072247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1390.

The product of its (nonzero) digits is 6272, while the sum is 29.

The square root of 214072247 is about 14631.2079815714. The cubic root of 214072247 is about 598.2097069161.

The spelling of 214072247 in words is "two hundred fourteen million, seventy-two thousand, two hundred forty-seven".