41221220 has 24 divisors (see below), whose sum is σ = 86788800. Its totient is φ = 16445792.

The previous prime is 41221207. The next prime is 41221223. The reversal of 41221220 is 2212214.

It is a junction number, because it is equal to n+sod(n) for n = 41221195 and 41221204.

It is not an unprimeable number, because it can be changed into a prime (41221223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5921 + ... + 10839.

It is an arithmetic number, because the mean of its divisors is an integer number (3616200).

Almost surely, 2^41221220 is an apocalyptic number.

It is an amenable number.

41221220 is an abundant number, since it is smaller than the sum of its proper divisors (45567580).

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

41221220 is a wasteful number, since it uses less digits than its factorization.

41221220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5347 (or 5345 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 41221220 is about 6420.3753784339. The cubic root of 41221220 is about 345.4407864494.

Adding to 41221220 its reverse (2212214), we get a palindrome (43433434).

The spelling of 41221220 in words is "forty-one million, two hundred twenty-one thousand, two hundred twenty".