4451229229 has 2 divisors, whose sum is σ = 4451229230. Its totient is φ = 4451229228.

The previous prime is 4451229193. The next prime is 4451229253. The reversal of 4451229229 is 9229221544.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2683447204 + 1767782025 = 51802^2 + 42045^2 .

It is a cyclic number.

It is not a de Polignac number, because 4451229229 - 2¹³ = 4451221037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4451229191 and 4451229200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4451229259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2225614614 + 2225614615.

It is an arithmetic number, because the mean of its divisors is an integer number (2225614615).

Almost surely, 2^4451229229 is an apocalyptic number.

It is an amenable number.

4451229229 is a deficient number, since it is larger than the sum of its proper divisors (1).

4451229229 is an equidigital number, since it uses as much as digits as its factorization.

4451229229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 103680, while the sum is 40.

The square root of 4451229229 is about 66717.5331453434. The cubic root of 4451229229 is about 1644.9775933977.

The spelling of 4451229229 in words is "four billion, four hundred fifty-one million, two hundred twenty-nine thousand, two hundred twenty-nine".