222220201102220 has 48 divisors (see below), whose sum is σ = 477523808213760. Its totient is φ = 86819320975296.

The previous prime is 222220201102189. The next prime is 222220201102241. The reversal of 222220201102220 is 22201102022222.

It is a super-2 number, since 2×222220201102220² (a number of 29 digits) contains 22 as substring.

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 = 222220201102192 and 222220201102201.

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, 45022259 + ... + 49713621.

It is an arithmetic number, because the mean of its divisors is an integer number (9948412671120).

Almost surely, 2^{222220201102220} is an apocalyptic number.

222220201102220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222220201102220 is an abundant number, since it is smaller than the sum of its proper divisors (255303607111540).

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

222220201102220 is a wasteful number, since it uses less digits than its factorization.

222220201102220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4746494 (or 4746492 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 222220201102220 its reverse (22201102022222), we get a palindrome (244421303124442).

The spelling of 222220201102220 in words is "two hundred twenty-two trillion, two hundred twenty billion, two hundred one million, one hundred two thousand, two hundred twenty".