22010623 has 4 divisors (see below), whose sum is σ = 22769640. Its totient is φ = 21251608.

The previous prime is 22010621. The next prime is 22010629. The reversal of 22010623 is 32601022.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32601022 = 2 ⋅16300511.

It is a cyclic number.

It is not a de Polignac number, because 22010623 - 2¹ = 22010621 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22010597 and 22010606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22010621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 379465 + ... + 379522.

It is an arithmetic number, because the mean of its divisors is an integer number (5692410).

Almost surely, 2^22010623 is an apocalyptic number.

22010623 is a deficient number, since it is larger than the sum of its proper divisors (759017).

22010623 is an equidigital number, since it uses as much as digits as its factorization.

22010623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 759016.

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

The square root of 22010623 is about 4691.5480387608. The cubic root of 22010623 is about 280.2490259051.

Adding to 22010623 its reverse (32601022), we get a palindrome (54611645).

The spelling of 22010623 in words is "twenty-two million, ten thousand, six hundred twenty-three".