4001022133 has 4 divisors (see below), whose sum is σ = 4001211648. Its totient is φ = 4000832620.

The previous prime is 4001022127. The next prime is 4001022143. The reversal of 4001022133 is 3312201004.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4001022133 - 2⁵ = 4001022101 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 (4001022143) 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, 58453 + ... + 106858.

It is an arithmetic number, because the mean of its divisors is an integer number (1000302912).

Almost surely, 2^4001022133 is an apocalyptic number.

It is an amenable number.

4001022133 is a deficient number, since it is larger than the sum of its proper divisors (189515).

4001022133 is a wasteful number, since it uses less digits than its factorization.

4001022133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189514.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 4001022133 is about 63253.6333580926. The cubic root of 4001022133 is about 1587.5362517028.

Adding to 4001022133 its reverse (3312201004), we get a palindrome (7313223137).

The spelling of 4001022133 in words is "four billion, one million, twenty-two thousand, one hundred thirty-three".