402220422222 has 32 divisors (see below), whose sum is σ = 807525504000. Its totient is φ = 133559581728.

The previous prime is 402220422221. The next prime is 402220422277. The reversal of 402220422222 is 222224022204.

It is a junction number, because it is equal to n+sod(n) for n = 402220422192 and 402220422201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402220422221) by changing a digit.

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, 8150779 + ... + 8199977.

It is an arithmetic number, because the mean of its divisors is an integer number (25235172000).

Almost surely, 2^402220422222 is an apocalyptic number.

402220422222 is an abundant number, since it is smaller than the sum of its proper divisors (405305081778).

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

402220422222 is a wasteful number, since it uses less digits than its factorization.

402220422222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54400.

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 402220422222 its reverse (222224022204), we get a palindrome (624444444426).

The spelling of 402220422222 in words is "four hundred two billion, two hundred twenty million, four hundred twenty-two thousand, two hundred twenty-two".