214221325 has 12 divisors (see below), whose sum is σ = 269991028. Its totient is φ = 168566400.

The previous prime is 214221307. The next prime is 214221331. The reversal of 214221325 is 523122412.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 54375876 + 159845449 = 7374^2 + 12643^2 .

It is not a de Polignac number, because 214221325 - 2²¹ = 212124173 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 214221296 and 214221305.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68712 + ... + 71761.

Almost surely, 2^214221325 is an apocalyptic number.

214221325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

214221325 is a deficient number, since it is larger than the sum of its proper divisors (55769703).

214221325 is a wasteful number, since it uses less digits than its factorization.

214221325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140544 (or 140539 counting only the distinct ones).

The product of its digits is 960, while the sum is 22.

The square root of 214221325 is about 14636.3016161871. The cubic root of 214221325 is about 598.3485373259.

Adding to 214221325 its reverse (523122412), we get a palindrome (737343737).

The spelling of 214221325 in words is "two hundred fourteen million, two hundred twenty-one thousand, three hundred twenty-five".