22432007 has 4 divisors (see below), whose sum is σ = 24157560. Its totient is φ = 20706456.

The previous prime is 22432001. The next prime is 22432021. The reversal of 22432007 is 70023422.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22432007 - 2⁶ = 22431943 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22432007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22432001) 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 3 ways as a sum of consecutive naturals, for example, 862757 + ... + 862782.

It is an arithmetic number, because the mean of its divisors is an integer number (6039390).

Almost surely, 2^22432007 is an apocalyptic number.

22432007 is a deficient number, since it is larger than the sum of its proper divisors (1725553).

22432007 is a wasteful number, since it uses less digits than its factorization.

22432007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1725552.

The product of its (nonzero) digits is 672, while the sum is 20.

The square root of 22432007 is about 4736.2439759793. The cubic root of 22432007 is about 282.0261490096.

Adding to 22432007 its reverse (70023422), we get a palindrome (92455429).

The spelling of 22432007 in words is "twenty-two million, four hundred thirty-two thousand, seven".