2201222022220 has 36 divisors (see below), whose sum is σ = 5005500736320. Its totient is φ = 812758899264.

The previous prime is 2201222022191. The next prime is 2201222022257. The reversal of 2201222022220 is 222202221022.

It is a super-2 number, since 2×2201222022220² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 325621180 + ... + 325627939.

It is an arithmetic number, because the mean of its divisors is an integer number (139041687120).

Almost surely, 2^{2201222022220} is an apocalyptic number.

2201222022220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2201222022220 is an abundant number, since it is smaller than the sum of its proper divisors (2804278714100).

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

2201222022220 is a wasteful number, since it uses less digits than its factorization.

2201222022220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 651249154 (or 651249139 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

Adding to 2201222022220 its reverse (222202221022), we get a palindrome (2423424243242).

The spelling of 2201222022220 in words is "two trillion, two hundred one billion, two hundred twenty-two million, twenty-two thousand, two hundred twenty".