22002222022220 has 48 divisors (see below), whose sum is σ = 53057989958400. Its totient is φ = 7579712848320.

The previous prime is 22002222022211. The next prime is 22002222022243. The reversal of 22002222022220 is 2222022220022.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 22002222022192 and 22002222022201.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2631840560 + ... + 2631848919.

It is an arithmetic number, because the mean of its divisors is an integer number (1105374790800).

Almost surely, 2^{22002222022220} is an apocalyptic number.

22002222022220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22002222022220 is an abundant number, since it is smaller than the sum of its proper divisors (31055767936180).

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

22002222022220 is a wasteful number, since it uses less digits than its factorization.

22002222022220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5263689518 (or 5263689516 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 22002222022220 its reverse (2222022220022), we get a palindrome (24224244242242).

The spelling of 22002222022220 in words is "twenty-two trillion, two billion, two hundred twenty-two million, twenty-two thousand, two hundred twenty".