52220371 has 4 divisors (see below), whose sum is σ = 59680432. Its totient is φ = 44760312.

The previous prime is 52220359. The next prime is 52220383. The reversal of 52220371 is 17302225.

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

It is an interprime number because it is at equal distance from previous prime (52220359) and next prime (52220383).

It is a cyclic number.

It is not a de Polignac number, because 52220371 - 2⁹ = 52219859 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52220071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3730020 + ... + 3730033.

It is an arithmetic number, because the mean of its divisors is an integer number (14920108).

Almost surely, 2^52220371 is an apocalyptic number.

52220371 is a deficient number, since it is larger than the sum of its proper divisors (7460061).

52220371 is an equidigital number, since it uses as much as digits as its factorization.

52220371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7460060.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 52220371 is about 7226.3663759873. The cubic root of 52220371 is about 373.7776400404. Note that the first 3 decimals are identical.

Adding to 52220371 its reverse (17302225), we get a palindrome (69522596).

The spelling of 52220371 in words is "fifty-two million, two hundred twenty thousand, three hundred seventy-one".