22002620022 has 144 divisors (see below), whose sum is σ = 52909863552. Its totient is φ = 6582850560.

The previous prime is 22002620021. The next prime is 22002620053.

22002620022 is a `hidden beast` number, since 2 + 20 + 0 + 2 + 620 + 0 + 22 = 666.

22002620022 is nontrivially palindromic in base 10.

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 = 22002619977 and 22002620004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22002620021) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 22201947 + ... + 22202937.

It is an arithmetic number, because the mean of its divisors is an integer number (367429608).

Almost surely, 2^22002620022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22002620022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26454931776).

22002620022 is an abundant number, since it is smaller than the sum of its proper divisors (30907243530).

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

22002620022 is a wasteful number, since it uses less digits than its factorization.

22002620022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1143 (or 1103 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The spelling of 22002620022 in words is "twenty-two billion, two million, six hundred twenty thousand, twenty-two".