422120121021222 has 64 divisors (see below), whose sum is σ = 916148356865280. Its totient is φ = 128887948425600.

The previous prime is 422120121021107. The next prime is 422120121021289. The reversal of 422120121021222 is 222120121021224.

It is a super-2 number, since 2×422120121021222² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 422120121021192 and 422120121021201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 367386804 + ... + 368533992.

It is an arithmetic number, because the mean of its divisors is an integer number (14314818076020).

Almost surely, 2^{422120121021222} is an apocalyptic number.

422120121021222 is an abundant number, since it is smaller than the sum of its proper divisors (494028235844058).

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

422120121021222 is a wasteful number, since it uses less digits than its factorization.

422120121021222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1183349.

The product of its (nonzero) digits is 1024, while the sum is 24.

Adding to 422120121021222 its reverse (222120121021224), we get a palindrome (644240242042446).

It can be divided in two parts, 42212012 and 1021222, that added together give a palindrome (43233234).

The spelling of 422120121021222 in words is "four hundred twenty-two trillion, one hundred twenty billion, one hundred twenty-one million, twenty-one thousand, two hundred twenty-two".