22545434 has 16 divisors (see below), whose sum is σ = 36417600. Its totient is φ = 10428864.

The previous prime is 22545431. The next prime is 22545437. The reversal of 22545434 is 43454522.

It is an interprime number because it is at equal distance from previous prime (22545431) and next prime (22545437).

It is a junction number, because it is equal to n+sod(n) for n = 22545397 and 22545406.

It is not an unprimeable number, because it can be changed into a prime (22545431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3614 + ... + 7625.

It is an arithmetic number, because the mean of its divisors is an integer number (2276100).

Almost surely, 2^22545434 is an apocalyptic number.

22545434 is a deficient number, since it is larger than the sum of its proper divisors (13872166).

22545434 is a wasteful number, since it uses less digits than its factorization.

22545434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11317.

The product of its digits is 19200, while the sum is 29.

The square root of 22545434 is about 4748.2032391211. The cubic root of 22545434 is about 282.5007032640.

Adding to 22545434 its reverse (43454522), we get a palindrome (65999956).

The spelling of 22545434 in words is "twenty-two million, five hundred forty-five thousand, four hundred thirty-four".