22220212222022 has 4 divisors (see below), whose sum is σ = 33330318333036. Its totient is φ = 11110106111010.

The previous prime is 22220212222007. The next prime is 22220212222063. The reversal of 22220212222022 is 22022221202222.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5555053055504 + ... + 5555053055507.

It is an arithmetic number, because the mean of its divisors is an integer number (8332579583259).

Almost surely, 2^{22220212222022} is an apocalyptic number.

22220212222022 is a deficient number, since it is larger than the sum of its proper divisors (11110106111014).

22220212222022 is a wasteful number, since it uses less digits than its factorization.

22220212222022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11110106111013.

The product of its (nonzero) digits is 2048, while the sum is 23.

Adding to 22220212222022 its reverse (22022221202222), we get a palindrome (44242433424244).

The spelling of 22220212222022 in words is "twenty-two trillion, two hundred twenty billion, two hundred twelve million, two hundred twenty-two thousand, twenty-two".