2202211112220 has 144 divisors (see below), whose sum is σ = 7637688746688. Its totient is φ = 503141207040.

The previous prime is 2202211112207. The next prime is 2202211112237. The reversal of 2202211112220 is 222111122022.

It is a happy number.

2202211112220 is a `hidden beast` number, since 220 + 2 + 211 + 1 + 12 + 220 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2202211112193 and 2202211112202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2490942 + ... + 3257178.

Almost surely, 2^{2202211112220} is an apocalyptic number.

2202211112220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2202211112220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3818844373344).

2202211112220 is an abundant number, since it is smaller than the sum of its proper divisors (5435477634468).

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

2202211112220 is a wasteful number, since it uses less digits than its factorization.

2202211112220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 768540 (or 768535 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 2202211112220 its reverse (222111122022), we get a palindrome (2424322234242).

The spelling of 2202211112220 in words is "two trillion, two hundred two billion, two hundred eleven million, one hundred twelve thousand, two hundred twenty".