41872221 has 20 divisors (see below), whose sum is σ = 63016800. Its totient is φ = 27706536.

The previous prime is 41872211. The next prime is 41872223. The reversal of 41872221 is 12227814.

It is not a de Polignac number, because 41872221 - 2⁶ = 41872157 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41872223) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 9400 + ... + 13118.

It is an arithmetic number, because the mean of its divisors is an integer number (3150840).

Almost surely, 2^41872221 is an apocalyptic number.

It is an amenable number.

41872221 is a deficient number, since it is larger than the sum of its proper divisors (21144579).

41872221 is a wasteful number, since it uses less digits than its factorization.

41872221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3870 (or 3861 counting only the distinct ones).

The product of its digits is 1792, while the sum is 27.

The square root of 41872221 is about 6470.8748249367. The cubic root of 41872221 is about 347.2497959125.

The spelling of 41872221 in words is "forty-one million, eight hundred seventy-two thousand, two hundred twenty-one".