22727005 has 16 divisors (see below), whose sum is σ = 31895424. Its totient is φ = 15220800.

The previous prime is 22726993. The next prime is 22727027. The reversal of 22727005 is 50072722.

It is not a de Polignac number, because 22727005 - 2¹¹ = 22724957 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 15 ways as a sum of consecutive naturals, for example, 6046 + ... + 9055.

It is an arithmetic number, because the mean of its divisors is an integer number (1993464).

Almost surely, 2^22727005 is an apocalyptic number.

It is an amenable number.

22727005 is a deficient number, since it is larger than the sum of its proper divisors (9168419).

22727005 is a wasteful number, since it uses less digits than its factorization.

22727005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15156.

The product of its (nonzero) digits is 1960, while the sum is 25.

The square root of 22727005 is about 4767.2848666720. The cubic root of 22727005 is about 283.2570552066.

Adding to 22727005 its reverse (50072722), we get a palindrome (72799727).

The spelling of 22727005 in words is "twenty-two million, seven hundred twenty-seven thousand, five".