7145231134222 has 16 divisors (see below), whose sum is σ = 11282850314640. Its totient is φ = 3384311243328.

The previous prime is 7145231134189. The next prime is 7145231134229. The reversal of 7145231134222 is 2224311325417.

It is a super-2 number, since 2×7145231134222² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7145231134229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7073893 + ... + 8020624.

It is an arithmetic number, because the mean of its divisors is an integer number (705178144665).

Almost surely, 2^{7145231134222} is an apocalyptic number.

7145231134222 is a deficient number, since it is larger than the sum of its proper divisors (4137619180418).

7145231134222 is a wasteful number, since it uses less digits than its factorization.

7145231134222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15106995.

The product of its digits is 80640, while the sum is 37.

Adding to 7145231134222 its reverse (2224311325417), we get a palindrome (9369542459639).

The spelling of 7145231134222 in words is "seven trillion, one hundred forty-five billion, two hundred thirty-one million, one hundred thirty-four thousand, two hundred twenty-two".