53250222 has 16 divisors (see below), whose sum is σ = 112765392. Its totient is φ = 16705920.

The previous prime is 53250209. The next prime is 53250247. The reversal of 53250222 is 22205235.

It is a super-2 number, since 2×53250222² = 5671172286098568, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 260929 + ... + 261132.

It is an arithmetic number, because the mean of its divisors is an integer number (7047837).

Almost surely, 2^53250222 is an apocalyptic number.

53250222 is an abundant number, since it is smaller than the sum of its proper divisors (59515170).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53250222 is a wasteful number, since it uses less digits than its factorization.

53250222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522083.

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 53250222 is about 7297.2749708367. The cubic root of 53250222 is about 376.2187830011.

Adding to 53250222 its reverse (22205235), we get a palindrome (75455457).

The spelling of 53250222 in words is "fifty-three million, two hundred fifty thousand, two hundred twenty-two".