214221734 has 4 divisors (see below), whose sum is σ = 321332604. Its totient is φ = 107110866.

The previous prime is 214221727. The next prime is 214221739. The reversal of 214221734 is 437122412.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214221739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53555432 + ... + 53555435.

It is an arithmetic number, because the mean of its divisors is an integer number (80333151).

Almost surely, 2^214221734 is an apocalyptic number.

214221734 is a deficient number, since it is larger than the sum of its proper divisors (107110870).

214221734 is a wasteful number, since it uses less digits than its factorization.

214221734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107110869.

The product of its digits is 2688, while the sum is 26.

The square root of 214221734 is about 14636.3155882893. The cubic root of 214221734 is about 598.3489181227.

The spelling of 214221734 in words is "two hundred fourteen million, two hundred twenty-one thousand, seven hundred thirty-four".