12222535 has 16 divisors (see below), whose sum is σ = 16166304. Its totient is φ = 8813952.

The previous prime is 12222533. The next prime is 12222547. The reversal of 12222535 is 53522221.

It is a cyclic number.

It is not a de Polignac number, because 12222535 - 2¹ = 12222533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12222533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 609 + ... + 4981.

It is an arithmetic number, because the mean of its divisors is an integer number (1010394).

Almost surely, 2^12222535 is an apocalyptic number.

12222535 is a deficient number, since it is larger than the sum of its proper divisors (3943769).

12222535 is a wasteful number, since it uses less digits than its factorization.

12222535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4434.

The product of its digits is 1200, while the sum is 22.

The square root of 12222535 is about 3496.0742269008. The cubic root of 12222535 is about 230.3494059171.

Adding to 12222535 its reverse (53522221), we get a palindrome (65744756).

The spelling of 12222535 in words is "twelve million, two hundred twenty-two thousand, five hundred thirty-five".