22140042207 has 16 divisors (see below), whose sum is σ = 29772103680. Its totient is φ = 14634158112.

The previous prime is 22140042173. The next prime is 22140042233. The reversal of 22140042207 is 70224004122.

It is not a de Polignac number, because 22140042207 - 2⁸ = 22140041951 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22140042007) 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, 584769 + ... + 621477.

It is an arithmetic number, because the mean of its divisors is an integer number (1860756480).

Almost surely, 2^22140042207 is an apocalyptic number.

22140042207 is a deficient number, since it is larger than the sum of its proper divisors (7632061473).

22140042207 is a wasteful number, since it uses less digits than its factorization.

22140042207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38422.

The product of its (nonzero) digits is 1792, while the sum is 24.

Adding to 22140042207 its reverse (70224004122), we get a palindrome (92364046329).

The spelling of 22140042207 in words is "twenty-two billion, one hundred forty million, forty-two thousand, two hundred seven".