4224445531 has 2 divisors, whose sum is σ = 4224445532. Its totient is φ = 4224445530.

The previous prime is 4224445523. The next prime is 4224445591. The reversal of 4224445531 is 1355444224.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4224445531 - 2³ = 4224445523 is a prime.

It is a super-2 number, since 2×4224445531² = 35691880088771743922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4224445591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2112222765 + 2112222766.

It is an arithmetic number, because the mean of its divisors is an integer number (2112222766).

Almost surely, 2^4224445531 is an apocalyptic number.

4224445531 is a deficient number, since it is larger than the sum of its proper divisors (1).

4224445531 is an equidigital number, since it uses as much as digits as its factorization.

4224445531 is an evil number, because the sum of its binary digits is even.

The product of its digits is 76800, while the sum is 34.

The square root of 4224445531 is about 64995.7347139026. The cubic root of 4224445531 is about 1616.5528401431.

Adding to 4224445531 its reverse (1355444224), we get a palindrome (5579889755).

The spelling of 4224445531 in words is "four billion, two hundred twenty-four million, four hundred forty-five thousand, five hundred thirty-one".