4122021402 has 48 divisors (see below), whose sum is σ = 9044380800. Its totient is φ = 1356638976.

The previous prime is 4122021391. The next prime is 4122021413. The reversal of 4122021402 is 2041202214.

4122021402 is a `hidden beast` number, since 41 + 220 + 2 + 1 + 402 = 666.

4122021402 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (4122021391) and next prime (4122021413).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 805849 + ... + 810947.

It is an arithmetic number, because the mean of its divisors is an integer number (188424600).

Almost surely, 2^4122021402 is an apocalyptic number.

4122021402 is an abundant number, since it is smaller than the sum of its proper divisors (4922359398).

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

4122021402 is a wasteful number, since it uses less digits than its factorization.

4122021402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5667 (or 5664 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 4122021402 is about 64202.9703518459. The cubic root of 4122021402 is about 1603.3810536504.

Adding to 4122021402 its reverse (2041202214), we get a palindrome (6163223616).

The spelling of 4122021402 in words is "four billion, one hundred twenty-two million, twenty-one thousand, four hundred two".