41221544 has 48 divisors (see below), whose sum is σ = 96837300. Its totient is φ = 16305408.

The previous prime is 41221541. The next prime is 41221547. The reversal of 41221544 is 44512214.

It is an interprime number because it is at equal distance from previous prime (41221541) and next prime (41221547).

It can be written as a sum of positive squares in 2 ways, for example, as 30580900 + 10640644 = 5530^2 + 3262^2 .

It is not an unprimeable number, because it can be changed into a prime (41221541) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1052 + ... + 9140.

Almost surely, 2^41221544 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 41221544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48418650).

41221544 is an abundant number, since it is smaller than the sum of its proper divisors (55615756).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

41221544 is a wasteful number, since it uses less digits than its factorization.

41221544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8122 (or 8111 counting only the distinct ones).

The product of its digits is 1280, while the sum is 23.

The square root of 41221544 is about 6420.4006105538. The cubic root of 41221544 is about 345.4416915053.

Adding to 41221544 its reverse (44512214), we get a palindrome (85733758).

The spelling of 41221544 in words is "forty-one million, two hundred twenty-one thousand, five hundred forty-four".