214021322 has 8 divisors (see below), whose sum is σ = 323873316. Its totient is φ = 106063552.

The previous prime is 214021321. The next prime is 214021337. The reversal of 214021322 is 223120412.

It can be written as a sum of positive squares in 2 ways, for example, as 182223001 + 31798321 = 13499^2 + 5639^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 214021322.

It is not an unprimeable number, because it can be changed into a prime (214021321) 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 in 3 ways as a sum of consecutive naturals, for example, 473273 + ... + 473724.

Almost surely, 2^214021322 is an apocalyptic number.

214021322 is a deficient number, since it is larger than the sum of its proper divisors (109851994).

214021322 is a wasteful number, since it uses less digits than its factorization.

214021322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 947112.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 214021322 is about 14629.4675911326. The cubic root of 214021322 is about 598.1622677210.

Adding to 214021322 its reverse (223120412), we get a palindrome (437141734).

The spelling of 214021322 in words is "two hundred fourteen million, twenty-one thousand, three hundred twenty-two".