222121041 has 4 divisors (see below), whose sum is σ = 296161392. Its totient is φ = 148080692.

The previous prime is 222121033. The next prime is 222121043. The reversal of 222121041 is 140121222.

222121041 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 222121041 - 2³ = 222121033 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 222121041.

It is not an unprimeable number, because it can be changed into a prime (222121043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37020171 + ... + 37020176.

It is an arithmetic number, because the mean of its divisors is an integer number (74040348).

Almost surely, 2^222121041 is an apocalyptic number.

It is an amenable number.

222121041 is a deficient number, since it is larger than the sum of its proper divisors (74040351).

222121041 is an equidigital number, since it uses as much as digits as its factorization.

222121041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74040350.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 222121041 is about 14903.7257422431. The cubic root of 222121041 is about 605.6149210803.

Adding to 222121041 its reverse (140121222), we get a palindrome (362242263).

The spelling of 222121041 in words is "two hundred twenty-two million, one hundred twenty-one thousand, forty-one".