22035623 has 2 divisors, whose sum is σ = 22035624. Its totient is φ = 22035622.

The previous prime is 22035619. The next prime is 22035647. The reversal of 22035623 is 32653022.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22035623 - 2² = 22035619 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22035613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11017811 + 11017812.

It is an arithmetic number, because the mean of its divisors is an integer number (11017812).

Almost surely, 2^22035623 is an apocalyptic number.

22035623 is a deficient number, since it is larger than the sum of its proper divisors (1).

22035623 is an equidigital number, since it uses as much as digits as its factorization.

22035623 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 22035623 is about 4694.2116484027. The cubic root of 22035623 is about 280.3550894595.

Adding to 22035623 its reverse (32653022), we get a palindrome (54688645).

The spelling of 22035623 in words is "twenty-two million, thirty-five thousand, six hundred twenty-three".