2220122021222 has 16 divisors (see below), whose sum is σ = 3883595373600. Its totient is φ = 951480865944.

The previous prime is 2220122021207. The next prime is 2220122021263. The reversal of 2220122021222 is 2221202210222.

It is a super-2 number, since 2×2220122021222² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2220122021194 and 2220122021203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1618164053 + ... + 1618165424.

It is an arithmetic number, because the mean of its divisors is an integer number (242724710850).

Almost surely, 2^{2220122021222} is an apocalyptic number.

2220122021222 is a deficient number, since it is larger than the sum of its proper divisors (1663473352378).

2220122021222 is an equidigital number, since it uses as much as digits as its factorization.

2220122021222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3236329500 (or 3236329486 counting only the distinct ones).

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

Adding to 2220122021222 its reverse (2221202210222), we get a palindrome (4441324231444).

The spelling of 2220122021222 in words is "two trillion, two hundred twenty billion, one hundred twenty-two million, twenty-one thousand, two hundred twenty-two".