2231222200002 has 48 divisors (see below), whose sum is σ = 5227594474752. Its totient is φ = 685097842560.

The previous prime is 2231222199991. The next prime is 2231222200003. The reversal of 2231222200002 is 2000022221322.

It is a super-3 number, since 3×2231222200002³ (a number of 38 digits) contains 333 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (2231222200003) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 77555574 + ... + 77584337.

It is an arithmetic number, because the mean of its divisors is an integer number (108908218224).

Almost surely, 2^{2231222200002} is an apocalyptic number.

2231222200002 is an abundant number, since it is smaller than the sum of its proper divisors (2996372274750).

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

2231222200002 is a wasteful number, since it uses less digits than its factorization.

2231222200002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155139983 (or 155139980 counting only the distinct ones).

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

Adding to 2231222200002 its reverse (2000022221322), we get a palindrome (4231244421324).

The spelling of 2231222200002 in words is "two trillion, two hundred thirty-one billion, two hundred twenty-two million, two hundred thousand, two".