12220435 has 16 divisors (see below), whose sum is σ = 15088320. Its totient is φ = 9498240.

The previous prime is 12220427. The next prime is 12220441. The reversal of 12220435 is 53402221.

12220435 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12220435 - 2³ = 12220427 is a prime.

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, 31221 + ... + 31609.

It is an arithmetic number, because the mean of its divisors is an integer number (943020).

Almost surely, 2^12220435 is an apocalyptic number.

12220435 is a deficient number, since it is larger than the sum of its proper divisors (2867885).

12220435 is a wasteful number, since it uses less digits than its factorization.

12220435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 558.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 12220435 is about 3495.7738771265. The cubic root of 12220435 is about 230.3362127604.

Adding to 12220435 its reverse (53402221), we get a palindrome (65622656).

The spelling of 12220435 in words is "twelve million, two hundred twenty thousand, four hundred thirty-five".