22701005 has 4 divisors (see below), whose sum is σ = 27241212. Its totient is φ = 18160800.

The previous prime is 22700983. The next prime is 22701031. The reversal of 22701005 is 50010722.

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 9647236 + 13053769 = 3106^2 + 3613^2 .

It is not a de Polignac number, because 22701005 - 2⁶ = 22700941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2270096 + ... + 2270105.

It is an arithmetic number, because the mean of its divisors is an integer number (6810303).

Almost surely, 2^22701005 is an apocalyptic number.

It is an amenable number.

22701005 is a deficient number, since it is larger than the sum of its proper divisors (4540207).

22701005 is an equidigital number, since it uses as much as digits as its factorization.

22701005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4540206.

The product of its (nonzero) digits is 140, while the sum is 17.

The square root of 22701005 is about 4764.5571672507. The cubic root of 22701005 is about 283.1489973601.

Adding to 22701005 its reverse (50010722), we get a palindrome (72711727).

The spelling of 22701005 in words is "twenty-two million, seven hundred one thousand, five".