15122412022 has 8 divisors (see below), whose sum is σ = 22691483856. Its totient is φ = 7558584072.

The previous prime is 15122412013. The next prime is 15122412077. The reversal of 15122412022 is 22021422151.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 15122411984 and 15122412002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1303753 + ... + 1315300.

It is an arithmetic number, because the mean of its divisors is an integer number (2836435482).

Almost surely, 2^15122412022 is an apocalyptic number.

15122412022 is a deficient number, since it is larger than the sum of its proper divisors (7569071834).

15122412022 is a wasteful number, since it uses less digits than its factorization.

15122412022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2621942.

The product of its (nonzero) digits is 640, while the sum is 22.

Adding to 15122412022 its reverse (22021422151), we get a palindrome (37143834173).

The spelling of 15122412022 in words is "fifteen billion, one hundred twenty-two million, four hundred twelve thousand, twenty-two".