41723221 has 16 divisors (see below), whose sum is σ = 45048960. Its totient is φ = 38525760.

The previous prime is 41723203. The next prime is 41723233. The reversal of 41723221 is 12232714.

It is a cyclic number.

It is not a de Polignac number, because 41723221 - 2⁵ = 41723189 is a prime.

It is a super-2 number, since 2×41723221² = 3481654341229682, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 41723192 and 41723201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41723251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 211695 + ... + 211891.

It is an arithmetic number, because the mean of its divisors is an integer number (2815560).

Almost surely, 2^41723221 is an apocalyptic number.

It is an amenable number.

41723221 is a deficient number, since it is larger than the sum of its proper divisors (3325739).

41723221 is a wasteful number, since it uses less digits than its factorization.

41723221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444.

The product of its digits is 672, while the sum is 22.

The square root of 41723221 is about 6459.3514380315. The cubic root of 41723221 is about 346.8374166028.

Adding to 41723221 its reverse (12232714), we get a palindrome (53955935).

The spelling of 41723221 in words is "forty-one million, seven hundred twenty-three thousand, two hundred twenty-one".