22607845 has 8 divisors (see below), whose sum is σ = 29216376. Its totient is φ = 16694976.

The previous prime is 22607803. The next prime is 22607857. The reversal of 22607845 is 54870622.

It can be written as a sum of positive squares in 4 ways, for example, as 2114116 + 20493729 = 1454^2 + 4527^2 .

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 22607845 - 2¹⁹ = 22083557 is a prime.

It is a super-2 number, since 2×22607845² = 1022229311088050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22607845.

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, 173842 + ... + 173971.

It is an arithmetic number, because the mean of its divisors is an integer number (3652047).

Almost surely, 2^22607845 is an apocalyptic number.

It is an amenable number.

22607845 is a deficient number, since it is larger than the sum of its proper divisors (6608531).

22607845 is a wasteful number, since it uses less digits than its factorization.

22607845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347831.

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 22607845 is about 4754.7707620873. The cubic root of 22607845 is about 282.7611389591.

The spelling of 22607845 in words is "twenty-two million, six hundred seven thousand, eight hundred forty-five".