5221252342 has 4 divisors (see below), whose sum is σ = 7831878516. Its totient is φ = 2610626170.

The previous prime is 5221252331. The next prime is 5221252403. The reversal of 5221252342 is 2432521225.

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

It is a super-2 number, since 2×5221252342² = 54522952037680969928, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5221252342.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1305313084 + ... + 1305313087.

It is an arithmetic number, because the mean of its divisors is an integer number (1957969629).

Almost surely, 2^5221252342 is an apocalyptic number.

5221252342 is a deficient number, since it is larger than the sum of its proper divisors (2610626174).

5221252342 is a wasteful number, since it uses less digits than its factorization.

5221252342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2610626173.

The product of its digits is 9600, while the sum is 28.

The square root of 5221252342 is about 72258.2337315271. The cubic root of 5221252342 is about 1734.8352089580.

Adding to 5221252342 its reverse (2432521225), we get a palindrome (7653773567).

The spelling of 5221252342 in words is "five billion, two hundred twenty-one million, two hundred fifty-two thousand, three hundred forty-two".