22060645 has 8 divisors (see below), whose sum is σ = 28030104. Its totient is φ = 16610304.

The previous prime is 22060637. The next prime is 22060669. The reversal of 22060645 is 54606022.

It can be written as a sum of positive squares in 4 ways, for example, as 5924356 + 16136289 = 2434^2 + 4017^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22060645 - 2³ = 22060637 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 7 ways as a sum of consecutive naturals, for example, 129684 + ... + 129853.

It is an arithmetic number, because the mean of its divisors is an integer number (3503763).

Almost surely, 2^22060645 is an apocalyptic number.

It is an amenable number.

22060645 is a deficient number, since it is larger than the sum of its proper divisors (5969459).

22060645 is a wasteful number, since it uses less digits than its factorization.

22060645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259559.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 22060645 is about 4696.8760894876. The cubic root of 22060645 is about 280.4611660530.

Adding to 22060645 its reverse (54606022), we get a palindrome (76666667).

The spelling of 22060645 in words is "twenty-two million, sixty thousand, six hundred forty-five".