7122354401 has 4 divisors (see below), whose sum is σ = 7296070404. Its totient is φ = 6948638400.

The previous prime is 7122354373. The next prime is 7122354431. The reversal of 7122354401 is 1044532217.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 409010176 + 6713344225 = 20224^2 + 81935^2 .

It is a cyclic number.

It is not a de Polignac number, because 7122354401 - 2¹⁰ = 7122353377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7122354431) 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, 86857940 + ... + 86858021.

It is an arithmetic number, because the mean of its divisors is an integer number (1824017601).

Almost surely, 2^7122354401 is an apocalyptic number.

It is an amenable number.

7122354401 is a deficient number, since it is larger than the sum of its proper divisors (173716003).

7122354401 is a wasteful number, since it uses less digits than its factorization.

7122354401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173716002.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 7122354401 is about 84394.0424496895. The cubic root of 7122354401 is about 1924.0123702890.

Adding to 7122354401 its reverse (1044532217), we get a palindrome (8166886618).

The spelling of 7122354401 in words is "seven billion, one hundred twenty-two million, three hundred fifty-four thousand, four hundred one".