402020440222 has 32 divisors (see below), whose sum is σ = 642034080000. Its totient is φ = 188252133696.

The previous prime is 402020440219. The next prime is 402020440259. The reversal of 402020440222 is 222044020204.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 402020440193 and 402020440202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22376479 + ... + 22394437.

It is an arithmetic number, because the mean of its divisors is an integer number (20063565000).

Almost surely, 2^402020440222 is an apocalyptic number.

402020440222 is a deficient number, since it is larger than the sum of its proper divisors (240013639778).

402020440222 is a wasteful number, since it uses less digits than its factorization.

402020440222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24688.

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 402020440222 its reverse (222044020204), we get a palindrome (624064460426).

The spelling of 402020440222 in words is "four hundred two billion, twenty million, four hundred forty thousand, two hundred twenty-two".