4122420402 has 8 divisors (see below), whose sum is σ = 8244840816. Its totient is φ = 1374140132.

The previous prime is 4122420391. The next prime is 4122420403. The reversal of 4122420402 is 2040242214.

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

4122420402 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (4122420403) 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, 343535028 + ... + 343535039.

It is an arithmetic number, because the mean of its divisors is an integer number (1030605102).

Almost surely, 2^4122420402 is an apocalyptic number.

4122420402 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4122420402 is a wasteful number, since it uses less digits than its factorization.

4122420402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 687070072.

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 4122420402 is about 64206.0776095223. The cubic root of 4122420402 is about 1603.4327862299.

Adding to 4122420402 its reverse (2040242214), we get a palindrome (6162662616).

The spelling of 4122420402 in words is "four billion, one hundred twenty-two million, four hundred twenty thousand, four hundred two".