4022001229 has 4 divisors (see below), whose sum is σ = 4023005500. Its totient is φ = 4020996960.

The previous prime is 4022001199. The next prime is 4022001239. The reversal of 4022001229 is 9221002204.

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 398202025 + 3623799204 = 19955^2 + 60198^2 .

It is a cyclic number.

It is not a de Polignac number, because 4022001229 - 2²³ = 4013612621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4022001239) 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, 496104 + ... + 504145.

It is an arithmetic number, because the mean of its divisors is an integer number (1005751375).

Almost surely, 2^4022001229 is an apocalyptic number.

It is an amenable number.

4022001229 is a deficient number, since it is larger than the sum of its proper divisors (1004271).

4022001229 is a wasteful number, since it uses less digits than its factorization.

4022001229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1004270.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 4022001229 is about 63419.2496723195. The cubic root of 4022001229 is about 1590.3061300249.

The spelling of 4022001229 in words is "four billion, twenty-two million, one thousand, two hundred twenty-nine".