2231000220002 has 4 divisors (see below), whose sum is σ = 3346500330006. Its totient is φ = 1115500110000.

The previous prime is 2231000219983. The next prime is 2231000220013. The reversal of 2231000220002 is 2000220001322.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1562597501521 + 668402718481 = 1250039^2 + 817559^2 .

It is a super-3 number, since 3×2231000220002³ (a number of 38 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 557750054999 + ... + 557750055002.

Almost surely, 2^{2231000220002} is an apocalyptic number.

2231000220002 is a deficient number, since it is larger than the sum of its proper divisors (1115500110004).

2231000220002 is a wasteful number, since it uses less digits than its factorization.

2231000220002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1115500110003.

The product of its (nonzero) digits is 96, while the sum is 14.

Adding to 2231000220002 its reverse (2000220001322), we get a palindrome (4231220221324).

The spelling of 2231000220002 in words is "two trillion, two hundred thirty-one billion, two hundred twenty thousand, two".