22053405 has 16 divisors (see below), whose sum is σ = 38493504. Its totient is φ = 10692480.

The previous prime is 22053401. The next prime is 22053407. The reversal of 22053405 is 50435022.

It is not a de Polignac number, because 22053405 - 2² = 22053401 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22053401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66664 + ... + 66993.

It is an arithmetic number, because the mean of its divisors is an integer number (2405844).

Almost surely, 2^22053405 is an apocalyptic number.

It is an amenable number.

22053405 is a deficient number, since it is larger than the sum of its proper divisors (16440099).

22053405 is a wasteful number, since it uses less digits than its factorization.

22053405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133676.

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

The square root of 22053405 is about 4696.1053012044. The cubic root of 22053405 is about 280.4304815313.

Adding to 22053405 its reverse (50435022), we get a palindrome (72488427).

The spelling of 22053405 in words is "twenty-two million, fifty-three thousand, four hundred five".