22035405 has 16 divisors (see below), whose sum is σ = 40293504. Its totient is φ = 10073280.

The previous prime is 22035401. The next prime is 22035427. The reversal of 22035405 is 50453022.

It is not a de Polignac number, because 22035405 - 2² = 22035401 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22035401) 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 15 ways as a sum of consecutive naturals, for example, 104826 + ... + 105035.

It is an arithmetic number, because the mean of its divisors is an integer number (2518344).

Almost surely, 2^22035405 is an apocalyptic number.

It is an amenable number.

22035405 is a deficient number, since it is larger than the sum of its proper divisors (18258099).

22035405 is a wasteful number, since it uses less digits than its factorization.

22035405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209876.

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 22035405 is about 4694.1884282589. The cubic root of 22035405 is about 280.3541649321.

Adding to 22035405 its reverse (50453022), we get a palindrome (72488427).

The spelling of 22035405 in words is "twenty-two million, thirty-five thousand, four hundred five".