53320222 has 16 divisors (see below), whose sum is σ = 82418832. Its totient is φ = 25859520.

The previous prime is 53320207. The next prime is 53320229. The reversal of 53320222 is 22202335.

It is a self number, because there is not a number n which added to its sum of digits gives 53320222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53320229) 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, 5913 + ... + 11899.

It is an arithmetic number, because the mean of its divisors is an integer number (5151177).

Almost surely, 2^53320222 is an apocalyptic number.

53320222 is a deficient number, since it is larger than the sum of its proper divisors (29098610).

53320222 is a wasteful number, since it uses less digits than its factorization.

53320222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6123.

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 53320222 is about 7302.0697065969. The cubic root of 53320222 is about 376.3835634318.

Adding to 53320222 its reverse (22202335), we get a palindrome (75522557).

The spelling of 53320222 in words is "fifty-three million, three hundred twenty thousand, two hundred twenty-two".