2223031 has 2 divisors, whose sum is σ = 2223032. Its totient is φ = 2223030.

The previous prime is 2223007. The next prime is 2223037. The reversal of 2223031 is 1303222.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2223031 - 2¹⁷ = 2091959 is a prime.

It is a super-2 number, since 2×2223031² = 9883733653922, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2223037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1111515 + 1111516.

It is an arithmetic number, because the mean of its divisors is an integer number (1111516).

2^2223031 is an apocalyptic number.

2223031 is a deficient number, since it is larger than the sum of its proper divisors (1).

2223031 is an equidigital number, since it uses as much as digits as its factorization.

2223031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 2223031 is about 1490.9832326354. The cubic root of 2223031 is about 130.5114174085.

Adding to 2223031 its reverse (1303222), we get a palindrome (3526253).

The spelling of 2223031 in words is "two million, two hundred twenty-three thousand, thirty-one".