1425722311 has 4 divisors (see below), whose sum is σ = 1535393272. Its totient is φ = 1316051352.

The previous prime is 1425722297. The next prime is 1425722329. The reversal of 1425722311 is 1132275241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1132275241 = 4093 ⋅276637.

It is a cyclic number.

It is not a de Polignac number, because 1425722311 - 2¹³ = 1425714119 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 1425722311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1425722371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54835461 + ... + 54835486.

It is an arithmetic number, because the mean of its divisors is an integer number (383848318).

Almost surely, 2^1425722311 is an apocalyptic number.

1425722311 is a deficient number, since it is larger than the sum of its proper divisors (109670961).

1425722311 is a wasteful number, since it uses less digits than its factorization.

1425722311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109670960.

The product of its digits is 3360, while the sum is 28.

The square root of 1425722311 is about 37758.7382072018. The cubic root of 1425722311 is about 1125.4986591987.

Adding to 1425722311 its reverse (1132275241), we get a palindrome (2557997552).

The spelling of 1425722311 in words is "one billion, four hundred twenty-five million, seven hundred twenty-two thousand, three hundred eleven".