52122242 has 4 divisors (see below), whose sum is σ = 78183366. Its totient is φ = 26061120.

The previous prime is 52122241. The next prime is 52122269. The reversal of 52122242 is 24222125.

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

It can be written as a sum of positive squares in only one way, i.e., 52113961 + 8281 = 7219^2 + 91^2 .

It is a super-2 number, since 2×52122242² = 5433456222213128, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (52122241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13030559 + ... + 13030562.

Almost surely, 2^52122242 is an apocalyptic number.

52122242 is a deficient number, since it is larger than the sum of its proper divisors (26061124).

52122242 is a wasteful number, since it uses less digits than its factorization.

52122242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26061123.

The product of its digits is 640, while the sum is 20.

The square root of 52122242 is about 7219.5735331112. The cubic root of 52122242 is about 373.5433673234.

Adding to 52122242 its reverse (24222125), we get a palindrome (76344367).

The spelling of 52122242 in words is "fifty-two million, one hundred twenty-two thousand, two hundred forty-two".