5156220226 has 4 divisors (see below), whose sum is σ = 7734330342. Its totient is φ = 2578110112.

The previous prime is 5156220191. The next prime is 5156220227. The reversal of 5156220226 is 6220226515.

It is a happy number.

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., 4994955625 + 161264601 = 70675^2 + 12699^2 .

It is a super-2 number, since 2×5156220226² = 53173214038022982152, which contains 22 as substring.

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 (5156220227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1289055055 + ... + 1289055058.

Almost surely, 2^5156220226 is an apocalyptic number.

5156220226 is a deficient number, since it is larger than the sum of its proper divisors (2578110116).

5156220226 is a wasteful number, since it uses less digits than its factorization.

5156220226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2578110115.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 5156220226 is about 71806.8257619009. The cubic root of 5156220226 is about 1727.6024822287.

The spelling of 5156220226 in words is "five billion, one hundred fifty-six million, two hundred twenty thousand, two hundred twenty-six".