22744205 has 32 divisors (see below), whose sum is σ = 31173120. Its totient is φ = 15785280.

The previous prime is 22744199. The next prime is 22744213. The reversal of 22744205 is 50244722.

It is not a de Polignac number, because 22744205 - 2¹⁴ = 22727821 is a prime.

It is a super-2 number, since 2×22744205² = 1034597722164050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 139454 + ... + 139616.

It is an arithmetic number, because the mean of its divisors is an integer number (974160).

Almost surely, 2^22744205 is an apocalyptic number.

It is an amenable number.

22744205 is a deficient number, since it is larger than the sum of its proper divisors (8428915).

22744205 is a wasteful number, since it uses less digits than its factorization.

22744205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281.

The product of its (nonzero) digits is 4480, while the sum is 26.

The square root of 22744205 is about 4769.0884873317. The cubic root of 22744205 is about 283.3284943426.

Adding to 22744205 its reverse (50244722), we get a palindrome (72988927).

The spelling of 22744205 in words is "twenty-two million, seven hundred forty-four thousand, two hundred five".