22007485 has 4 divisors (see below), whose sum is σ = 26408988. Its totient is φ = 17605984.

The previous prime is 22007441. The next prime is 22007501. The reversal of 22007485 is 58470022.

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

It can be written as a sum of positive squares in 2 ways, for example, as 16818201 + 5189284 = 4101^2 + 2278^2 .

It is a cyclic number.

It is not a de Polignac number, because 22007485 - 2⁹ = 22006973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2200744 + ... + 2200753.

It is an arithmetic number, because the mean of its divisors is an integer number (6602247).

Almost surely, 2^22007485 is an apocalyptic number.

It is an amenable number.

22007485 is a deficient number, since it is larger than the sum of its proper divisors (4401503).

22007485 is an equidigital number, since it uses as much as digits as its factorization.

22007485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4401502.

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 22007485 is about 4691.2135956488. The cubic root of 22007485 is about 280.2357071357.

The spelling of 22007485 in words is "twenty-two million, seven thousand, four hundred eighty-five".