22812213745 has 8 divisors (see below), whose sum is σ = 27381372480. Its totient is φ = 18245293680.

The previous prime is 22812213689. The next prime is 22812213761. The reversal of 22812213745 is 54731221822.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22812213745 - 2¹³ = 22812205553 is a prime.

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, 537165 + ... + 578074.

It is an arithmetic number, because the mean of its divisors is an integer number (3422671560).

Almost surely, 2^22812213745 is an apocalyptic number.

It is an amenable number.

22812213745 is a deficient number, since it is larger than the sum of its proper divisors (4569158735).

22812213745 is a wasteful number, since it uses less digits than its factorization.

22812213745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1119335.

The product of its digits is 53760, while the sum is 37.

The spelling of 22812213745 in words is "twenty-two billion, eight hundred twelve million, two hundred thirteen thousand, seven hundred forty-five".