222122212002 has 24 divisors (see below), whose sum is σ = 482534635440. Its totient is φ = 73845376920.

The previous prime is 222122211979. The next prime is 222122212019. The reversal of 222122212002 is 200212221222.

It is a super-2 number, since 2×222122212002² (a number of 23 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16273024 + ... + 16286667.

It is an arithmetic number, because the mean of its divisors is an integer number (20105609810).

Almost surely, 2^222122212002 is an apocalyptic number.

222122212002 is an abundant number, since it is smaller than the sum of its proper divisors (260412423438).

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

222122212002 is a wasteful number, since it uses less digits than its factorization.

222122212002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32560078 (or 32560075 counting only the distinct ones).

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

Adding to 222122212002 its reverse (200212221222), we get a palindrome (422334433224).

The spelling of 222122212002 in words is "two hundred twenty-two billion, one hundred twenty-two million, two hundred twelve thousand, two".