52522222 has 8 divisors (see below), whose sum is σ = 79563672. Its totient is φ = 26001000.

The previous prime is 52522207. The next prime is 52522229. The reversal of 52522222 is 22222525.

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

It is a junction number, because it is equal to n+sod(n) for n = 52522193 and 52522202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52522229) 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, 129804 + ... + 130207.

It is an arithmetic number, because the mean of its divisors is an integer number (9945459).

Almost surely, 2^52522222 is an apocalyptic number.

52522222 is a deficient number, since it is larger than the sum of its proper divisors (27041450).

52522222 is a wasteful number, since it uses less digits than its factorization.

52522222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260114.

The product of its digits is 1600, while the sum is 22.

The square root of 52522222 is about 7247.2216745454. The cubic root of 52522222 is about 374.4964429316.

Adding to 52522222 its reverse (22222525), we get a palindrome (74744747).

The spelling of 52522222 in words is "fifty-two million, five hundred twenty-two thousand, two hundred twenty-two".