22220212202000 has 160 divisors (see below), whose sum is σ = 56893467986784. Its totient is φ = 8364595200000.

The previous prime is 22220212201931. The next prime is 22220212202009. The reversal of 22220212202000 is 20221202222.

It can be written as a sum of positive squares in 16 ways, for example, as 18947181242896 + 3273030959104 = 4352836^2 + 1809152^2 .

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 22220212202000.

It is not an unprimeable number, because it can be changed into a prime (22220212202009) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 753187250 + ... + 753216750.

Almost surely, 2^{22220212202000} is an apocalyptic number.

22220212202000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22220212202000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28446733993392).

22220212202000 is an abundant number, since it is smaller than the sum of its proper divisors (34673255784784).

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

22220212202000 is a wasteful number, since it uses less digits than its factorization.

22220212202000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51694 (or 51678 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 22220212202000 its reverse (20221202222), we get a palindrome (22240433404222).

The spelling of 22220212202000 in words is "twenty-two trillion, two hundred twenty billion, two hundred twelve million, two hundred two thousand".