5221401406 has 32 divisors (see below), whose sum is σ = 8535564576. Its totient is φ = 2381184000.

The previous prime is 5221401401. The next prime is 5221401407. The reversal of 5221401406 is 6041041225.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5221401401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 817666 + ... + 824026.

It is an arithmetic number, because the mean of its divisors is an integer number (266736393).

Almost surely, 2^5221401406 is an apocalyptic number.

5221401406 is a deficient number, since it is larger than the sum of its proper divisors (3314163170).

5221401406 is a wasteful number, since it uses less digits than its factorization.

5221401406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6748.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 5221401406 is about 72259.2651913926. The cubic root of 5221401406 is about 1734.8517183443.

The spelling of 5221401406 in words is "five billion, two hundred twenty-one million, four hundred one thousand, four hundred six".