22325545 has 16 divisors (see below), whose sum is σ = 29522880. Its totient is φ = 16072000.

The previous prime is 22325543. The next prime is 22325579. The reversal of 22325545 is 54552322.

It is not a de Polignac number, because 22325545 - 2¹ = 22325543 is a prime.

It is a super-3 number, since 3×22325545³ (a number of 23 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (22325543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3546 + ... + 7564.

It is an arithmetic number, because the mean of its divisors is an integer number (1845180).

Almost surely, 2^22325545 is an apocalyptic number.

It is an amenable number.

22325545 is a deficient number, since it is larger than the sum of its proper divisors (7197335).

22325545 is a wasteful number, since it uses less digits than its factorization.

22325545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4136.

The product of its digits is 12000, while the sum is 28.

The square root of 22325545 is about 4724.9915343840. The cubic root of 22325545 is about 281.5792772245.

Adding to 22325545 its reverse (54552322), we get a palindrome (76877867).

It can be divided in two parts, 2232 and 5545, that added together give a palindrome (7777).

The spelling of 22325545 in words is "twenty-two million, three hundred twenty-five thousand, five hundred forty-five".