41221655 has 4 divisors (see below), whose sum is σ = 49465992. Its totient is φ = 32977320.

The previous prime is 41221633. The next prime is 41221667. The reversal of 41221655 is 55612214.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 41221655 - 2⁸ = 41221399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4122161 + ... + 4122170.

It is an arithmetic number, because the mean of its divisors is an integer number (12366498).

Almost surely, 2^41221655 is an apocalyptic number.

41221655 is a deficient number, since it is larger than the sum of its proper divisors (8244337).

41221655 is an equidigital number, since it uses as much as digits as its factorization.

41221655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8244336.

The product of its digits is 2400, while the sum is 26.

The square root of 41221655 is about 6420.4092548684. The cubic root of 41221655 is about 345.4420015696.

Adding to 41221655 its reverse (55612214), we get a palindrome (96833869).

The spelling of 41221655 in words is "forty-one million, two hundred twenty-one thousand, six hundred fifty-five".