22074479 has 4 divisors (see below), whose sum is σ = 25227984. Its totient is φ = 18920976.

The previous prime is 22074439. The next prime is 22074487. The reversal of 22074479 is 97447022.

It is a happy number.

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 22074479 - 2⁸ = 22074223 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 (22074419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1576742 + ... + 1576755.

It is an arithmetic number, because the mean of its divisors is an integer number (6306996).

Almost surely, 2^22074479 is an apocalyptic number.

22074479 is a deficient number, since it is larger than the sum of its proper divisors (3153505).

22074479 is an equidigital number, since it uses as much as digits as its factorization.

22074479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3153504.

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 22074479 is about 4698.3485396467. The cubic root of 22074479 is about 280.5197785586.

The spelling of 22074479 in words is "twenty-two million, seventy-four thousand, four hundred seventy-nine".