4422221342541 has 12 divisors (see below), whose sum is σ = 6388002932220. Its totient is φ = 2947986077760.

The previous prime is 4422221342537. The next prime is 4422221342551. The reversal of 4422221342541 is 1452431222244.

4422221342541 is a `hidden beast` number, since 4 + 4 + 2 + 2 + 221 + 3 + 425 + 4 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1799230553316 + 2622990789225 = 1341354^2 + 1619565^2 .

It is not a de Polignac number, because 4422221342541 - 2² = 4422221342537 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4422221342496 and 4422221342505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4422221342551) 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, 13283440 + ... + 13612281.

It is an arithmetic number, because the mean of its divisors is an integer number (532333577685).

Almost surely, 2^{4422221342541} is an apocalyptic number.

It is an amenable number.

4422221342541 is a deficient number, since it is larger than the sum of its proper divisors (1965781589679).

4422221342541 is a wasteful number, since it uses less digits than its factorization.

4422221342541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26913996 (or 26913993 counting only the distinct ones).

The product of its digits is 122880, while the sum is 36.

Adding to 4422221342541 its reverse (1452431222244), we get a palindrome (5874652564785).

The spelling of 4422221342541 in words is "four trillion, four hundred twenty-two billion, two hundred twenty-one million, three hundred forty-two thousand, five hundred forty-one".