112222521 has 12 divisors (see below), whose sum is σ = 164519472. Its totient is φ = 73697976.

The previous prime is 112222519. The next prime is 112222549. The reversal of 112222521 is 125222211.

112222521 is a `hidden beast` number, since 1 + 122 + 22 + 521 = 666.

It is not a de Polignac number, because 112222521 - 2¹ = 112222519 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 112222494 and 112222503.

It is not an unprimeable number, because it can be changed into a prime (112222921) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 92451 + ... + 93656.

It is an arithmetic number, because the mean of its divisors is an integer number (13709956).

Almost surely, 2^112222521 is an apocalyptic number.

It is an amenable number.

112222521 is a deficient number, since it is larger than the sum of its proper divisors (52296951).

112222521 is a wasteful number, since it uses less digits than its factorization.

112222521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186180 (or 186177 counting only the distinct ones).

The product of its digits is 160, while the sum is 18.

The square root of 112222521 is about 10593.5131566445. The cubic root of 112222521 is about 482.3474721689.

Adding to 112222521 its reverse (125222211), we get a palindrome (237444732).

The spelling of 112222521 in words is "one hundred twelve million, two hundred twenty-two thousand, five hundred twenty-one".