52306222 has 4 divisors (see below), whose sum is σ = 78459336. Its totient is φ = 26153110.

The previous prime is 52306217. The next prime is 52306223. The reversal of 52306222 is 22260325.

It is a happy number.

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

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 52306193 and 52306202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52306223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13076554 + ... + 13076557.

It is an arithmetic number, because the mean of its divisors is an integer number (19614834).

Almost surely, 2^52306222 is an apocalyptic number.

52306222 is a deficient number, since it is larger than the sum of its proper divisors (26153114).

52306222 is a wasteful number, since it uses less digits than its factorization.

52306222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26153113.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 52306222 is about 7232.3040588736. The cubic root of 52306222 is about 373.9823597350.

Adding to 52306222 its reverse (22260325), we get a palindrome (74566547).

The spelling of 52306222 in words is "fifty-two million, three hundred six thousand, two hundred twenty-two".