4202022240442 has 16 divisors (see below), whose sum is σ = 6817523496840. Its totient is φ = 1930925904192.

The previous prime is 4202022240421. The next prime is 4202022240443. The reversal of 4202022240442 is 2440422202024.

It can be written as a sum of positive squares in 4 ways, for example, as 4201069221801 + 953018641 = 2049651^2 + 30871^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 4202022240442.

It is not an unprimeable number, because it can be changed into a prime (4202022240443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 352867933 + ... + 352879840.

Almost surely, 2^{4202022240442} is an apocalyptic number.

4202022240442 is a deficient number, since it is larger than the sum of its proper divisors (2615501256398).

4202022240442 is a wasteful number, since it uses less digits than its factorization.

4202022240442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 705748017.

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 4202022240442 its reverse (2440422202024), we get a palindrome (6642444442466).

The spelling of 4202022240442 in words is "four trillion, two hundred two billion, twenty-two million, two hundred forty thousand, four hundred forty-two".