2231220022302 has 64 divisors (see below), whose sum is σ = 4864505509440. Its totient is φ = 679406247936.

The previous prime is 2231220022279. The next prime is 2231220022309. The reversal of 2231220022302 is 2032200221322.

It is a super-3 number, since 3×2231220022302³ (a number of 38 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2231220022309) 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, 820818 + ... + 2266314.

It is an arithmetic number, because the mean of its divisors is an integer number (76007898585).

Almost surely, 2^{2231220022302} is an apocalyptic number.

2231220022302 is an abundant number, since it is smaller than the sum of its proper divisors (2633285487138).

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

2231220022302 is a wasteful number, since it uses less digits than its factorization.

2231220022302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1445965.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 2231220022302 its reverse (2032200221322), we get a palindrome (4263420243624).

The spelling of 2231220022302 in words is "two trillion, two hundred thirty-one billion, two hundred twenty million, twenty-two thousand, three hundred two".