22440285207 has 12 divisors (see below), whose sum is σ = 32493001840. Its totient is φ = 14923610208.

The previous prime is 22440285113. The next prime is 22440285233. The reversal of 22440285207 is 70258204422.

22440285207 is a `hidden beast` number, since 2 + 2 + 440 + 2 + 8 + 5 + 207 = 666.

It is not a de Polignac number, because 22440285207 - 2¹² = 22440281111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22440285247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3044443 + ... + 3051804.

Almost surely, 2^22440285207 is an apocalyptic number.

22440285207 is a deficient number, since it is larger than the sum of its proper divisors (10052716633).

22440285207 is a wasteful number, since it uses less digits than its factorization.

22440285207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6096662 (or 6096659 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 36.

Adding to 22440285207 its reverse (70258204422), we get a palindrome (92698489629).

The spelling of 22440285207 in words is "twenty-two billion, four hundred forty million, two hundred eighty-five thousand, two hundred seven".