52220351 has 8 divisors (see below), whose sum is σ = 52843104. Its totient is φ = 51600640.

The previous prime is 52220323. The next prime is 52220353. The reversal of 52220351 is 15302225.

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

It is a cyclic number.

It is not a de Polignac number, because 52220351 - 2¹⁰ = 52219327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52220353) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58430 + ... + 59316.

It is an arithmetic number, because the mean of its divisors is an integer number (6605388).

Almost surely, 2^52220351 is an apocalyptic number.

52220351 is a deficient number, since it is larger than the sum of its proper divisors (622753).

52220351 is a wasteful number, since it uses less digits than its factorization.

52220351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1521.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 52220351 is about 7226.3649921658. The cubic root of 52220351 is about 373.7775923224. Note that the first 3 decimals are identical.

Adding to 52220351 its reverse (15302225), we get a palindrome (67522576).

The spelling of 52220351 in words is "fifty-two million, two hundred twenty thousand, three hundred fifty-one".