514222021 has 4 divisors (see below), whose sum is σ = 517921600. Its totient is φ = 510522444.

The previous prime is 514222003. The next prime is 514222031. The reversal of 514222021 is 120222415.

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, and also an emirpimes, since its reverse is a distinct semiprime: 120222415 = 5 ⋅24044483.

It is a cyclic number.

It is not a de Polignac number, because 514222021 - 2¹¹ = 514219973 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 514222021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (514222031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1849581 + ... + 1849858.

It is an arithmetic number, because the mean of its divisors is an integer number (129480400).

Almost surely, 2^514222021 is an apocalyptic number.

It is an amenable number.

514222021 is a deficient number, since it is larger than the sum of its proper divisors (3699579).

514222021 is a wasteful number, since it uses less digits than its factorization.

514222021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3699578.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 514222021 is about 22676.4640321193. The cubic root of 514222021 is about 801.1556324424.

Adding to 514222021 its reverse (120222415), we get a palindrome (634444436).

The spelling of 514222021 in words is "five hundred fourteen million, two hundred twenty-two thousand, twenty-one".