4433022421 has 2 divisors, whose sum is σ = 4433022422. Its totient is φ = 4433022420.

The previous prime is 4433022409. The next prime is 4433022467. The reversal of 4433022421 is 1242203344.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4424112196 + 8910225 = 66514^2 + 2985^2 .

It is a cyclic number.

It is not a de Polignac number, because 4433022421 - 2¹⁵ = 4432989653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4433022401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2216511210 + 2216511211.

It is an arithmetic number, because the mean of its divisors is an integer number (2216511211).

Almost surely, 2^4433022421 is an apocalyptic number.

It is an amenable number.

4433022421 is a deficient number, since it is larger than the sum of its proper divisors (1).

4433022421 is an equidigital number, since it uses as much as digits as its factorization.

4433022421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 4433022421 is about 66580.9463810781. The cubic root of 4433022421 is about 1642.7317179979.

Adding to 4433022421 its reverse (1242203344), we get a palindrome (5675225765).

The spelling of 4433022421 in words is "four billion, four hundred thirty-three million, twenty-two thousand, four hundred twenty-one".