22102021220022 has 48 divisors (see below), whose sum is σ = 50432988490560. Its totient is φ = 6976142121456.

The previous prime is 22102021220017. The next prime is 22102021220093. The reversal of 22102021220022 is 22002212020122.

22102021220022 is a `hidden beast` number, since 2 + 210 + 20 + 212 + 200 + 22 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 22102021219977 and 22102021220004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15248008 + ... + 16634475.

It is an arithmetic number, because the mean of its divisors is an integer number (1050687260220).

Almost surely, 2^{22102021220022} is an apocalyptic number.

22102021220022 is an abundant number, since it is smaller than the sum of its proper divisors (28330967270538).

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

22102021220022 is a wasteful number, since it uses less digits than its factorization.

22102021220022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31884537 (or 31884534 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 22102021220022 its reverse (22002212020122), we get a palindrome (44104233240144).

The spelling of 22102021220022 in words is "twenty-two trillion, one hundred two billion, twenty-one million, two hundred twenty thousand, twenty-two".