2221422154222 has 8 divisors (see below), whose sum is σ = 3332139771456. Its totient is φ = 1110708897072.

The previous prime is 2221422154219. The next prime is 2221422154241. The reversal of 2221422154222 is 2224512241222.

It is a happy number.

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

It is a super-2 number, since 2×2221422154222² (a number of 25 digits) contains 22 as substring.

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, 939363 + ... + 2307649.

It is an arithmetic number, because the mean of its divisors is an integer number (416517471432).

Almost surely, 2^{2221422154222} is an apocalyptic number.

2221422154222 is a deficient number, since it is larger than the sum of its proper divisors (1110717617234).

2221422154222 is a wasteful number, since it uses less digits than its factorization.

2221422154222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2180042.

The product of its digits is 20480, while the sum is 31.

Adding to 2221422154222 its reverse (2224512241222), we get a palindrome (4445934395444).

The spelling of 2221422154222 in words is "two trillion, two hundred twenty-one billion, four hundred twenty-two million, one hundred fifty-four thousand, two hundred twenty-two".