52750222 has 16 divisors (see below), whose sum is σ = 91082880. Its totient is φ = 22443768.

The previous prime is 52750183. The next prime is 52750241. The reversal of 52750222 is 22205725.

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, 11608 + ... + 15499.

It is an arithmetic number, because the mean of its divisors is an integer number (5692680).

Almost surely, 2^52750222 is an apocalyptic number.

52750222 is a deficient number, since it is larger than the sum of its proper divisors (38332658).

52750222 is a wasteful number, since it uses less digits than its factorization.

52750222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27255.

The product of its (nonzero) digits is 2800, while the sum is 25.

The square root of 52750222 is about 7262.9348062612. The cubic root of 52750222 is about 375.0375594972.

Adding to 52750222 its reverse (22205725), we get a palindrome (74955947).

The spelling of 52750222 in words is "fifty-two million, seven hundred fifty thousand, two hundred twenty-two".