22312231007 has 4 divisors (see below), whose sum is σ = 24340615656. Its totient is φ = 20283846360.

The previous prime is 22312230989. The next prime is 22312231099. The reversal of 22312231007 is 70013221322.

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 22312231007 - 2⁶ = 22312230943 is a prime.

It is a super-3 number, since 3×22312231007³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22312231607) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1014192308 + ... + 1014192329.

It is an arithmetic number, because the mean of its divisors is an integer number (6085153914).

Almost surely, 2^22312231007 is an apocalyptic number.

22312231007 is a deficient number, since it is larger than the sum of its proper divisors (2028384649).

22312231007 is a wasteful number, since it uses less digits than its factorization.

22312231007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2028384648.

The product of its (nonzero) digits is 1008, while the sum is 23.

Adding to 22312231007 its reverse (70013221322), we get a palindrome (92325452329).

The spelling of 22312231007 in words is "twenty-two billion, three hundred twelve million, two hundred thirty-one thousand, seven".