7122214801 has 4 divisors (see below), whose sum is σ = 7670077492. Its totient is φ = 6574352112.

The previous prime is 7122214769. The next prime is 7122214817. The reversal of 7122214801 is 1084122217.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1084122217 = 71 ⋅15269327.

It can be written as a sum of positive squares in 2 ways, for example, as 3878798400 + 3243416401 = 62280^2 + 56951^2 .

It is a cyclic number.

It is not a de Polignac number, because 7122214801 - 2⁵ = 7122214769 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7122214801.

It is not an unprimeable number, because it can be changed into a prime (7122214861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 273931326 + ... + 273931351.

It is an arithmetic number, because the mean of its divisors is an integer number (1917519373).

Almost surely, 2^7122214801 is an apocalyptic number.

It is an amenable number.

7122214801 is a deficient number, since it is larger than the sum of its proper divisors (547862691).

7122214801 is a wasteful number, since it uses less digits than its factorization.

7122214801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 547862690.

The product of its (nonzero) digits is 1792, while the sum is 28.

The square root of 7122214801 is about 84393.2153730381. The cubic root of 7122214801 is about 1923.9997998258. Note that the first 3 decimals are identical.

The spelling of 7122214801 in words is "seven billion, one hundred twenty-two million, two hundred fourteen thousand, eight hundred one".