53305222 has 16 divisors (see below), whose sum is σ = 84326400. Its totient is φ = 25201800.

The previous prime is 53305181. The next prime is 53305223. The reversal of 53305222 is 22250335.

It is a junction number, because it is equal to n+sod(n) for n = 53305193 and 53305202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53305223) 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, 26347 + ... + 28297.

It is an arithmetic number, because the mean of its divisors is an integer number (5270400).

Almost surely, 2^53305222 is an apocalyptic number.

53305222 is a deficient number, since it is larger than the sum of its proper divisors (31021178).

53305222 is a wasteful number, since it uses less digits than its factorization.

53305222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2691.

The product of its (nonzero) digits is 1800, while the sum is 22.

The square root of 53305222 is about 7301.0425282969. The cubic root of 53305222 is about 376.3482654857.

Adding to 53305222 its reverse (22250335), we get a palindrome (75555557).

The spelling of 53305222 in words is "fifty-three million, three hundred five thousand, two hundred twenty-two".