1331000022223 has 16 divisors (see below), whose sum is σ = 1369261910016. Its totient is φ = 1293178050720.

The previous prime is 1331000022217. The next prime is 1331000022281. The reversal of 1331000022223 is 3222200001331.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1331000022223 is a prime.

It is a super-2 number, since 2×1331000022223² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1331000022223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331000022323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4650490 + ... + 4928392.

It is an arithmetic number, because the mean of its divisors is an integer number (85578869376).

Almost surely, 2^{1331000022223} is an apocalyptic number.

1331000022223 is a deficient number, since it is larger than the sum of its proper divisors (38261887793).

1331000022223 is a wasteful number, since it uses less digits than its factorization.

1331000022223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278694.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 1331000022223 its reverse (3222200001331), we get a palindrome (4553200023554).

The spelling of 1331000022223 in words is "one trillion, three hundred thirty-one billion, twenty-two thousand, two hundred twenty-three".