15345223022 has 4 divisors (see below), whose sum is σ = 23017834536. Its totient is φ = 7672611510.

The previous prime is 15345222979. The next prime is 15345223027. The reversal of 15345223022 is 22032254351.

15345223022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22032254351 = 11779 ⋅1870469.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15345223027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3836305754 + ... + 3836305757.

It is an arithmetic number, because the mean of its divisors is an integer number (5754458634).

Almost surely, 2^15345223022 is an apocalyptic number.

15345223022 is a deficient number, since it is larger than the sum of its proper divisors (7672611514).

15345223022 is an equidigital number, since it uses as much as digits as its factorization.

15345223022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7672611513.

The product of its (nonzero) digits is 14400, while the sum is 29.

Adding to 15345223022 its reverse (22032254351), we get a palindrome (37377477373).

The spelling of 15345223022 in words is "fifteen billion, three hundred forty-five million, two hundred twenty-three thousand, twenty-two".