5216222146 has 4 divisors (see below), whose sum is σ = 7824333222. Its totient is φ = 2608111072.

The previous prime is 5216222119. The next prime is 5216222147. The reversal of 5216222146 is 6412226125.

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., 3715512025 + 1500710121 = 60955^2 + 38739^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (5216222147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1304055535 + ... + 1304055538.

Almost surely, 2^5216222146 is an apocalyptic number.

5216222146 is a deficient number, since it is larger than the sum of its proper divisors (2608111076).

5216222146 is a wasteful number, since it uses less digits than its factorization.

5216222146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2608111075.

The product of its digits is 11520, while the sum is 31.

The square root of 5216222146 is about 72223.4182658229. The cubic root of 5216222146 is about 1734.2779119425.

The spelling of 5216222146 in words is "five billion, two hundred sixteen million, two hundred twenty-two thousand, one hundred forty-six".