22220221201222 has 16 divisors (see below), whose sum is σ = 38499206787792. Its totient is φ = 9505976984320.

The previous prime is 22220221201159. The next prime is 22220221201253. The reversal of 22220221201222 is 22210212202222.

It is a super-2 number, since 2×22220221201222² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 22220221201193 and 22220221201202.

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, 29706177703 + ... + 29706178450.

It is an arithmetic number, because the mean of its divisors is an integer number (2406200424237).

Almost surely, 2^{22220221201222} is an apocalyptic number.

22220221201222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22220221201222 is a deficient number, since it is larger than the sum of its proper divisors (16278985586570).

22220221201222 is a wasteful number, since it uses less digits than its factorization.

22220221201222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59412356183.

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 22220221201222 its reverse (22210212202222), we get a palindrome (44430433403444).

The spelling of 22220221201222 in words is "twenty-two trillion, two hundred twenty billion, two hundred twenty-one million, two hundred one thousand, two hundred twenty-two".