5156223401 has 12 divisors (see below), whose sum is σ = 6313744080. Its totient is φ = 4187007720.

The previous prime is 5156223383. The next prime is 5156223409. The reversal of 5156223401 is 1043226515.

It is not a de Polignac number, because 5156223401 - 2¹⁰ = 5156222377 is a prime.

It is a super-2 number, since 2×5156223401² = 53173279522040013602, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5156223409) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2768255 + ... + 2770116.

It is an arithmetic number, because the mean of its divisors is an integer number (526145340).

Almost surely, 2^5156223401 is an apocalyptic number.

It is an amenable number.

5156223401 is a deficient number, since it is larger than the sum of its proper divisors (1157520679).

5156223401 is a wasteful number, since it uses less digits than its factorization.

5156223401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5538404 (or 5538397 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 5156223401 is about 71806.8478698237. The cubic root of 5156223401 is about 1727.6028368254.

Adding to 5156223401 its reverse (1043226515), we get a palindrome (6199449916).

The spelling of 5156223401 in words is "five billion, one hundred fifty-six million, two hundred twenty-three thousand, four hundred one".