22145167612 has 24 divisors (see below), whose sum is σ = 39430011600. Its totient is φ = 10880977536.

The previous prime is 22145167531. The next prime is 22145167631. The reversal of 22145167612 is 21676154122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132787 + ... + 248842.

It is an arithmetic number, because the mean of its divisors is an integer number (1642917150).

Almost surely, 2^22145167612 is an apocalyptic number.

It is an amenable number.

22145167612 is a deficient number, since it is larger than the sum of its proper divisors (17284843988).

22145167612 is a wasteful number, since it uses less digits than its factorization.

22145167612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381885 (or 381883 counting only the distinct ones).

The product of its digits is 40320, while the sum is 37.

The spelling of 22145167612 in words is "twenty-two billion, one hundred forty-five million, one hundred sixty-seven thousand, six hundred twelve".