222002001324 has 36 divisors (see below), whose sum is σ = 561479720256. Its totient is φ = 73960052448.

The previous prime is 222002001323. The next prime is 222002001329. The reversal of 222002001324 is 423100200222.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×222002001324² (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 a junction number, because it is equal to n+sod(n) for n = 222002001297 and 222002001306.

It is not an unprimeable number, because it can be changed into a prime (222002001323) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1625739 + ... + 1756994.

It is an arithmetic number, because the mean of its divisors is an integer number (15596658896).

Almost surely, 2^222002001324 is an apocalyptic number.

It is an amenable number.

222002001324 is an abundant number, since it is smaller than the sum of its proper divisors (339477718932).

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

222002001324 is a wasteful number, since it uses less digits than its factorization.

222002001324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3384566 (or 3384561 counting only the distinct ones).

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

Adding to 222002001324 its reverse (423100200222), we get a palindrome (645102201546).

The spelling of 222002001324 in words is "two hundred twenty-two billion, two million, one thousand, three hundred twenty-four".