22063449 has 4 divisors (see below), whose sum is σ = 29417936. Its totient is φ = 14708964.

The previous prime is 22063387. The next prime is 22063451. The reversal of 22063449 is 94436022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 22063449 - 2¹¹ = 22061401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22063499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3677239 + ... + 3677244.

It is an arithmetic number, because the mean of its divisors is an integer number (7354484).

Almost surely, 2^22063449 is an apocalyptic number.

It is an amenable number.

22063449 is a deficient number, since it is larger than the sum of its proper divisors (7354487).

22063449 is an equidigital number, since it uses as much as digits as its factorization.

22063449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7354486.

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 22063449 is about 4697.1745762746. The cubic root of 22063449 is about 280.4730481442.

The spelling of 22063449 in words is "twenty-two million, sixty-three thousand, four hundred forty-nine".