4202402122 has 8 divisors (see below), whose sum is σ = 6520968900. Its totient is φ = 2028745824.

The previous prime is 4202402119. The next prime is 4202402123. The reversal of 4202402122 is 2212042024.

It can be written as a sum of positive squares in 2 ways, for example, as 3703817881 + 498584241 = 60859^2 + 22329^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 4202402122.

It is not an unprimeable number, because it can be changed into a prime (4202402123) 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, 36227547 + ... + 36227662.

Almost surely, 2^4202402122 is an apocalyptic number.

4202402122 is a deficient number, since it is larger than the sum of its proper divisors (2318566778).

4202402122 is a wasteful number, since it uses less digits than its factorization.

4202402122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72455240.

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 4202402122 is about 64825.9371085370. The cubic root of 4202402122 is about 1613.7361788665.

Adding to 4202402122 its reverse (2212042024), we get a palindrome (6414444146).

The spelling of 4202402122 in words is "four billion, two hundred two million, four hundred two thousand, one hundred twenty-two".