5438222551 has 2 divisors, whose sum is σ = 5438222552. Its totient is φ = 5438222550.

The previous prime is 5438222549. The next prime is 5438222609. The reversal of 5438222551 is 1552228345.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5438222551 - 2¹ = 5438222549 is a prime.

Together with 5438222549, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 5438222551.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5438222851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2719111275 + 2719111276.

It is an arithmetic number, because the mean of its divisors is an integer number (2719111276).

Almost surely, 2^5438222551 is an apocalyptic number.

5438222551 is a deficient number, since it is larger than the sum of its proper divisors (1).

5438222551 is an equidigital number, since it uses as much as digits as its factorization.

5438222551 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96000, while the sum is 37.

The square root of 5438222551 is about 73744.3052106398. The cubic root of 5438222551 is about 1758.5403004362.

The spelling of 5438222551 in words is "five billion, four hundred thirty-eight million, two hundred twenty-two thousand, five hundred fifty-one".