15222605362412 has 48 divisors (see below), whose sum is σ = 30456438035520. Its totient is φ = 6521568463872.

The previous prime is 15222605362409. The next prime is 15222605362451. The reversal of 15222605362412 is 21426350622251.

It is a self number, because there is not a number n which added to its sum of digits gives 15222605362412.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1747109768 + ... + 1747118480.

It is an arithmetic number, because the mean of its divisors is an integer number (634509125740).

Almost surely, 2^{15222605362412} is an apocalyptic number.

It is an amenable number.

15222605362412 is an abundant number, since it is smaller than the sum of its proper divisors (15233832673108).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15222605362412 is a wasteful number, since it uses less digits than its factorization.

15222605362412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24570 (or 24568 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 41.

Adding to 15222605362412 its reverse (21426350622251), we get a palindrome (36648955984663).

The spelling of 15222605362412 in words is "fifteen trillion, two hundred twenty-two billion, six hundred five million, three hundred sixty-two thousand, four hundred twelve".