5222221522 has 8 divisors (see below), whose sum is σ = 8952379776. Its totient is φ = 2238094932.

The previous prime is 5222221471. The next prime is 5222221523. The reversal of 5222221522 is 2251222225.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (5222221523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 186507898 + ... + 186507925.

It is an arithmetic number, because the mean of its divisors is an integer number (1119047472).

Almost surely, 2^5222221522 is an apocalyptic number.

5222221522 is a deficient number, since it is larger than the sum of its proper divisors (3730158254).

5222221522 is a wasteful number, since it uses less digits than its factorization.

5222221522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373015832.

The product of its digits is 3200, while the sum is 25.

The square root of 5222221522 is about 72264.9397841028. The cubic root of 5222221522 is about 1734.9425435881.

Adding to 5222221522 its reverse (2251222225), we get a palindrome (7473443747).

The spelling of 5222221522 in words is "five billion, two hundred twenty-two million, two hundred twenty-one thousand, five hundred twenty-two".