52345222 has 4 divisors (see below), whose sum is σ = 78517836. Its totient is φ = 26172610.

The previous prime is 52345219. The next prime is 52345229. The reversal of 52345222 is 22254325.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52345229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13086304 + ... + 13086307.

It is an arithmetic number, because the mean of its divisors is an integer number (19629459).

Almost surely, 2^52345222 is an apocalyptic number.

52345222 is a deficient number, since it is larger than the sum of its proper divisors (26172614).

52345222 is a wasteful number, since it uses less digits than its factorization.

52345222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26172613.

The product of its digits is 4800, while the sum is 25.

The square root of 52345222 is about 7234.9997926745. Note that the first 3 decimals coincide. The cubic root of 52345222 is about 374.0752848720.

Adding to 52345222 its reverse (22254325), we get a palindrome (74599547).

The spelling of 52345222 in words is "fifty-two million, three hundred forty-five thousand, two hundred twenty-two".