22221420100222 has 8 divisors (see below), whose sum is σ = 38093863028976. Its totient is φ = 9523465757232.

The previous prime is 22221420100211. The next prime is 22221420100241. The reversal of 22221420100222 is 22200102412222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×22221420100222² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22221420100193 and 22221420100202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 793622146423 + ... + 793622146450.

It is an arithmetic number, because the mean of its divisors is an integer number (4761732878622).

Almost surely, 2^{22221420100222} is an apocalyptic number.

22221420100222 is a deficient number, since it is larger than the sum of its proper divisors (15872442928754).

22221420100222 is a wasteful number, since it uses less digits than its factorization.

22221420100222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1587244292882.

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

Adding to 22221420100222 its reverse (22200102412222), we get a palindrome (44421522512444).

The spelling of 22221420100222 in words is "twenty-two trillion, two hundred twenty-one billion, four hundred twenty million, one hundred thousand, two hundred twenty-two".