214204433 has 4 divisors (see below), whose sum is σ = 219993780. Its totient is φ = 208415088.

The previous prime is 214204409. The next prime is 214204447. The reversal of 214204433 is 334402412.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 183656704 + 30547729 = 13552^2 + 5527^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-214204433 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 214204399 and 214204408.

It is not an unprimeable number, because it can be changed into a prime (214204483) 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, 2894618 + ... + 2894691.

It is an arithmetic number, because the mean of its divisors is an integer number (54998445).

Almost surely, 2^214204433 is an apocalyptic number.

It is an amenable number.

214204433 is a deficient number, since it is larger than the sum of its proper divisors (5789347).

214204433 is an equidigital number, since it uses as much as digits as its factorization.

214204433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5789346.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 214204433 is about 14635.7245464651. The cubic root of 214204433 is about 598.3328097146.

Adding to 214204433 its reverse (334402412), we get a palindrome (548606845).

The spelling of 214204433 in words is "two hundred fourteen million, two hundred four thousand, four hundred thirty-three".