22605073 has 4 divisors (see below), whose sum is σ = 23086080. Its totient is φ = 22124068.

The previous prime is 22605071. The next prime is 22605091. The reversal of 22605073 is 37050622.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22605073 - 2¹ = 22605071 is a prime.

It is a super-4 number, since 4×22605073⁴ (a number of 31 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22605071) 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, 240433 + ... + 240526.

It is an arithmetic number, because the mean of its divisors is an integer number (5771520).

Almost surely, 2^22605073 is an apocalyptic number.

It is an amenable number.

22605073 is a deficient number, since it is larger than the sum of its proper divisors (481007).

22605073 is an equidigital number, since it uses as much as digits as its factorization.

22605073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481006.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 22605073 is about 4754.4792564486. The cubic root of 22605073 is about 282.7495818216.

Adding to 22605073 its reverse (37050622), we get a palindrome (59655695).

The spelling of 22605073 in words is "twenty-two million, six hundred five thousand, seventy-three".