15310400422 has 12 divisors (see below), whose sum is σ = 23603072220. Its totient is φ = 7448301576.

The previous prime is 15310400383. The next prime is 15310400437. The reversal of 15310400422 is 22400401351.

It is a super-2 number, since 2×15310400422² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 15310400393 and 15310400402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2793172 + ... + 2798647.

It is an arithmetic number, because the mean of its divisors is an integer number (1966922685).

Almost surely, 2^15310400422 is an apocalyptic number.

15310400422 is a deficient number, since it is larger than the sum of its proper divisors (8292671798).

15310400422 is an equidigital number, since it uses as much as digits as its factorization.

15310400422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5591895 (or 5591858 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 15310400422 its reverse (22400401351), we get a palindrome (37710801773).

The spelling of 15310400422 in words is "fifteen billion, three hundred ten million, four hundred thousand, four hundred twenty-two".