15422120231 has 16 divisors (see below), whose sum is σ = 18924917760. Its totient is φ = 12266136960.

The previous prime is 15422120213. The next prime is 15422120239. The reversal of 15422120231 is 13202122451.

It is not a de Polignac number, because 15422120231 - 2¹⁴ = 15422103847 is a prime.

It is a super-2 number, since 2×15422120231² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 15422120197 and 15422120206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15422120239) 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 15 ways as a sum of consecutive naturals, for example, 904211 + ... + 921108.

It is an arithmetic number, because the mean of its divisors is an integer number (1182807360).

Almost surely, 2^15422120231 is an apocalyptic number.

15422120231 is a deficient number, since it is larger than the sum of its proper divisors (3502797529).

15422120231 is a wasteful number, since it uses less digits than its factorization.

15422120231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1825414.

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 15422120231 its reverse (13202122451), we get a palindrome (28624242682).

The spelling of 15422120231 in words is "fifteen billion, four hundred twenty-two million, one hundred twenty thousand, two hundred thirty-one".