12220359 has 4 divisors (see below), whose sum is σ = 16293816. Its totient is φ = 8146904.

The previous prime is 12220333. The next prime is 12220361. The reversal of 12220359 is 95302221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12220359 - 2¹⁹ = 11696071 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12220259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2036724 + ... + 2036729.

It is an arithmetic number, because the mean of its divisors is an integer number (4073454).

Almost surely, 2^12220359 is an apocalyptic number.

12220359 is a deficient number, since it is larger than the sum of its proper divisors (4073457).

12220359 is an equidigital number, since it uses as much as digits as its factorization.

12220359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4073456.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 12220359 is about 3495.7630068413. The cubic root of 12220359 is about 230.3357352654.

The spelling of 12220359 in words is "twelve million, two hundred twenty thousand, three hundred fifty-nine".