1222160211525 has 48 divisors (see below), whose sum is σ = 2205774678528. Its totient is φ = 592174872000.

The previous prime is 1222160211451. The next prime is 1222160211551. The reversal of 1222160211525 is 5251120612221.

It is not a de Polignac number, because 1222160211525 - 2¹³ = 1222160203333 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1222160211492 and 1222160211501.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 779272 + ... + 1746878.

It is an arithmetic number, because the mean of its divisors is an integer number (45953639136).

Almost surely, 2^{1222160211525} is an apocalyptic number.

1222160211525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1222160211525 is a deficient number, since it is larger than the sum of its proper divisors (983614467003).

1222160211525 is a wasteful number, since it uses less digits than its factorization.

1222160211525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 969162 (or 969157 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 30.

Adding to 1222160211525 its reverse (5251120612221), we get a palindrome (6473280823746).

The spelling of 1222160211525 in words is "one trillion, two hundred twenty-two billion, one hundred sixty million, two hundred eleven thousand, five hundred twenty-five".