15146321224222 has 8 divisors (see below), whose sum is σ = 22725132055272. Its totient is φ = 7571277205800.

The previous prime is 15146321224207. The next prime is 15146321224231. The reversal of 15146321224222 is 22242212364151.

It is a happy number.

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

It is a super-2 number, since 2×15146321224222² (a number of 27 digits) contains 22 as substring.

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, 941693104 + ... + 941709187.

It is an arithmetic number, because the mean of its divisors is an integer number (2840641506909).

Almost surely, 2^{15146321224222} is an apocalyptic number.

15146321224222 is a deficient number, since it is larger than the sum of its proper divisors (7578810831050).

15146321224222 is a wasteful number, since it uses less digits than its factorization.

15146321224222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1883406314.

The product of its digits is 92160, while the sum is 37.

Adding to 15146321224222 its reverse (22242212364151), we get a palindrome (37388533588373).

The spelling of 15146321224222 in words is "fifteen trillion, one hundred forty-six billion, three hundred twenty-one million, two hundred twenty-four thousand, two hundred twenty-two".