22088345 has 4 divisors (see below), whose sum is σ = 26506020. Its totient is φ = 17670672.

The previous prime is 22088329. The next prime is 22088347. The reversal of 22088345 is 54388022.

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 7557001 + 14531344 = 2749^2 + 3812^2 .

It is a cyclic number.

It is not a de Polignac number, because 22088345 - 2⁴ = 22088329 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22088347) 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, 2208830 + ... + 2208839.

It is an arithmetic number, because the mean of its divisors is an integer number (6626505).

Almost surely, 2^22088345 is an apocalyptic number.

It is an amenable number.

22088345 is a deficient number, since it is larger than the sum of its proper divisors (4417675).

22088345 is an equidigital number, since it uses as much as digits as its factorization.

22088345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4417674.

The product of its (nonzero) digits is 15360, while the sum is 32.

The square root of 22088345 is about 4699.8239328724. The cubic root of 22088345 is about 280.5785020752.

The spelling of 22088345 in words is "twenty-two million, eighty-eight thousand, three hundred forty-five".