22613805 has 24 divisors (see below), whose sum is σ = 39450528. Its totient is φ = 11982816.

The previous prime is 22613803. The next prime is 22613813. The reversal of 22613805 is 50831622.

It is not a de Polignac number, because 22613805 - 2¹ = 22613803 is a prime.

It is a super-2 number, since 2×22613805² = 1022768353156050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22613803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5794 + ... + 8876.

It is an arithmetic number, because the mean of its divisors is an integer number (1643772).

Almost surely, 2^22613805 is an apocalyptic number.

It is an amenable number.

22613805 is a deficient number, since it is larger than the sum of its proper divisors (16836723).

22613805 is a wasteful number, since it uses less digits than its factorization.

22613805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3257 (or 3254 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 22613805 is about 4755.3974597293. The cubic root of 22613805 is about 282.7859844396.

The spelling of 22613805 in words is "twenty-two million, six hundred thirteen thousand, eight hundred five".