2223331331 has 4 divisors (see below), whose sum is σ = 2394356832. Its totient is φ = 2052305832.

The previous prime is 2223331273. The next prime is 2223331343. The reversal of 2223331331 is 1331333222.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2223331331 is a prime.

It is a super-2 number, since 2×2223331331² = 9886404414812463122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2223331297 and 2223331306.

It is not an unprimeable number, because it can be changed into a prime (2223331361) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85512731 + ... + 85512756.

It is an arithmetic number, because the mean of its divisors is an integer number (598589208).

Almost surely, 2^2223331331 is an apocalyptic number.

2223331331 is a deficient number, since it is larger than the sum of its proper divisors (171025501).

2223331331 is a wasteful number, since it uses less digits than its factorization.

2223331331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171025500.

The product of its digits is 1944, while the sum is 23.

The square root of 2223331331 is about 47152.2144867025. The cubic root of 2223331331 is about 1305.1729449846.

Adding to 2223331331 its reverse (1331333222), we get a palindrome (3554664553).

The spelling of 2223331331 in words is "two billion, two hundred twenty-three million, three hundred thirty-one thousand, three hundred thirty-one".