222020441 has 4 divisors (see below), whose sum is σ = 222050484. Its totient is φ = 221990400.

The previous prime is 222020437. The next prime is 222020473. The reversal of 222020441 is 144020222.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 144020222 = 2 ⋅72010111.

It can be written as a sum of positive squares in 2 ways, for example, as 91604041 + 130416400 = 9571^2 + 11420^2 .

It is a cyclic number.

It is not a de Polignac number, because 222020441 - 2² = 222020437 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222020401) 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, 4661 + ... + 21581.

It is an arithmetic number, because the mean of its divisors is an integer number (55512621).

Almost surely, 2^222020441 is an apocalyptic number.

It is an amenable number.

222020441 is a deficient number, since it is larger than the sum of its proper divisors (30043).

222020441 is a wasteful number, since it uses less digits than its factorization.

222020441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30042.

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 222020441 is about 14900.3503650082. The cubic root of 222020441 is about 605.5234783533.

Adding to 222020441 its reverse (144020222), we get a palindrome (366040663).

The spelling of 222020441 in words is "two hundred twenty-two million, twenty thousand, four hundred forty-one".