214390229 has 4 divisors (see below), whose sum is σ = 216393984. Its totient is φ = 212386476.

The previous prime is 214390181. The next prime is 214390237. The reversal of 214390229 is 922093412.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-214390229 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 214390195 and 214390204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214390249) 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, 1001717 + ... + 1001930.

It is an arithmetic number, because the mean of its divisors is an integer number (54098496).

Almost surely, 2^214390229 is an apocalyptic number.

It is an amenable number.

214390229 is a deficient number, since it is larger than the sum of its proper divisors (2003755).

214390229 is a wasteful number, since it uses less digits than its factorization.

214390229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2003754.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 214390229 is about 14642.0705161531. The cubic root of 214390229 is about 598.5057530958.

The spelling of 214390229 in words is "two hundred fourteen million, three hundred ninety thousand, two hundred twenty-nine".