22202004220420 has 48 divisors (see below), whose sum is σ = 49367994622128. Its totient is φ = 8358200913920.

The previous prime is 22202004220391. The next prime is 22202004220447. The reversal of 22202004220420 is 2402240020222.

It can be written as a sum of positive squares in 8 ways, for example, as 2421160896064 + 19780843324356 = 1556008^2 + 4447566^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22202004220391 and 22202004220400.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13796664 + ... + 15321616.

It is an arithmetic number, because the mean of its divisors is an integer number (1028499887961).

Almost surely, 2^{22202004220420} is an apocalyptic number.

22202004220420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22202004220420 is an abundant number, since it is smaller than the sum of its proper divisors (27165990401708).

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

22202004220420 is a wasteful number, since it uses less digits than its factorization.

22202004220420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1567800 (or 1567798 counting only the distinct ones).

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

Adding to 22202004220420 its reverse (2402240020222), we get a palindrome (24604244240642).

The spelling of 22202004220420 in words is "twenty-two trillion, two hundred two billion, four million, two hundred twenty thousand, four hundred twenty".