22655005 has 8 divisors (see below), whose sum is σ = 27385272. Its totient is φ = 17991168.

The previous prime is 22654979. The next prime is 22655027. The reversal of 22655005 is 50055622.

It can be written as a sum of positive squares in 4 ways, for example, as 2683044 + 19971961 = 1638^2 + 4469^2 .

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 22655005 - 2⁹ = 22654493 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, 15852 + ... + 17221.

It is an arithmetic number, because the mean of its divisors is an integer number (3423159).

Almost surely, 2^22655005 is an apocalyptic number.

It is an amenable number.

22655005 is a deficient number, since it is larger than the sum of its proper divisors (4730267).

22655005 is a wasteful number, since it uses less digits than its factorization.

22655005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33215.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 22655005 is about 4759.7274081611. The cubic root of 22655005 is about 282.9576157979.

The spelling of 22655005 in words is "twenty-two million, six hundred fifty-five thousand, five".