5146342221 has 16 divisors (see below), whose sum is σ = 7420011264. Its totient is φ = 3160372224.

The previous prime is 5146342219. The next prime is 5146342231. The reversal of 5146342221 is 1222436415.

It is not a de Polignac number, because 5146342221 - 2¹ = 5146342219 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5146342231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1071100 + ... + 1075893.

It is an arithmetic number, because the mean of its divisors is an integer number (463750704).

Almost surely, 2^5146342221 is an apocalyptic number.

5146342221 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

It is an amenable number.

5146342221 is a deficient number, since it is larger than the sum of its proper divisors (2273669043).

5146342221 is a wasteful number, since it uses less digits than its factorization.

5146342221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2147060.

The product of its digits is 11520, while the sum is 30.

The square root of 5146342221 is about 71738.0109913845. The cubic root of 5146342221 is about 1726.4985615018.

Adding to 5146342221 its reverse (1222436415), we get a palindrome (6368778636).

The spelling of 5146342221 in words is "five billion, one hundred forty-six million, three hundred forty-two thousand, two hundred twenty-one".