222011431441 has 4 divisors (see below), whose sum is σ = 222012805300. Its totient is φ = 222010057584.

The previous prime is 222011431427. The next prime is 222011431451. The reversal of 222011431441 is 144134110222.

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

It can be written as a sum of positive squares in 2 ways, for example, as 71393702416 + 150617729025 = 267196^2 + 388095^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222011431441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222011431451) 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, 406326 + ... + 780463.

It is an arithmetic number, because the mean of its divisors is an integer number (55503201325).

Almost surely, 2^222011431441 is an apocalyptic number.

It is an amenable number.

222011431441 is a deficient number, since it is larger than the sum of its proper divisors (1373859).

222011431441 is a wasteful number, since it uses less digits than its factorization.

222011431441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1373858.

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 222011431441 its reverse (144134110222), we get a palindrome (366145541663).

The spelling of 222011431441 in words is "two hundred twenty-two billion, eleven million, four hundred thirty-one thousand, four hundred forty-one".