222212210022020 has 96 divisors (see below), whose sum is σ = 490029534521856. Its totient is φ = 84480307788800.

The previous prime is 222212210022013. The next prime is 222212210022059. The reversal of 222212210022020 is 20220012212222.

It is a super-3 number, since 3×222212210022020³ (a number of 44 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 222212210021983 and 222212210022001.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 210035960 + ... + 211091280.

It is an arithmetic number, because the mean of its divisors is an integer number (5104474317936).

Almost surely, 2^{222212210022020} is an apocalyptic number.

222212210022020 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 222212210022020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (245014767260928).

222212210022020 is an abundant number, since it is smaller than the sum of its proper divisors (267817324499836).

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

222212210022020 is a wasteful number, since it uses less digits than its factorization.

222212210022020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1058261 (or 1058259 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 222212210022020 its reverse (20220012212222), we get a palindrome (242432222234242).

The spelling of 222212210022020 in words is "two hundred twenty-two trillion, two hundred twelve billion, two hundred ten million, twenty-two thousand, twenty".