2210623 has 2 divisors, whose sum is σ = 2210624. Its totient is φ = 2210622.

The previous prime is 2210617. The next prime is 2210633. The reversal of 2210623 is 3260122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2210623 - 2⁵ = 2210591 is a prime.

2210623 is a lucky number.

It is equal to p₁₆₃₄₂₀ and since 2210623 and 163420 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 2210597 and 2210606.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2210633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1105311 + 1105312.

It is an arithmetic number, because the mean of its divisors is an integer number (1105312).

2^2210623 is an apocalyptic number.

2210623 is a deficient number, since it is larger than the sum of its proper divisors (1).

2210623 is an equidigital number, since it uses as much as digits as its factorization.

2210623 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2210623 is about 1486.8163975421. The cubic root of 2210623 is about 130.2681447553.

Adding to 2210623 its reverse (3260122), we get a palindrome (5470745).

The spelling of 2210623 in words is "two million, two hundred ten thousand, six hundred twenty-three".