22312003345 has 16 divisors (see below), whose sum is σ = 28353386880. Its totient is φ = 16797245184.

The previous prime is 22312003331. The next prime is 22312003387. The reversal of 22312003345 is 54330021322.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22312003345 is a prime.

It is a super-3 number, since 3×22312003345³ (a number of 32 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 790486 + ... + 818224.

It is an arithmetic number, because the mean of its divisors is an integer number (1772086680).

Almost surely, 2^22312003345 is an apocalyptic number.

It is an amenable number.

22312003345 is a deficient number, since it is larger than the sum of its proper divisors (6041383535).

22312003345 is a wasteful number, since it uses less digits than its factorization.

22312003345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37224.

The product of its (nonzero) digits is 4320, while the sum is 25.

Adding to 22312003345 its reverse (54330021322), we get a palindrome (76642024667).

The spelling of 22312003345 in words is "twenty-two billion, three hundred twelve million, three thousand, three hundred forty-five".