22154426745 has 16 divisors (see below), whose sum is σ = 38669545152. Its totient is φ = 10741540160.

The previous prime is 22154426729. The next prime is 22154426753. The reversal of 22154426745 is 54762445122.

It is not a de Polignac number, because 22154426745 - 2⁴ = 22154426729 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22154426697 and 22154426706.

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, 67134462 + ... + 67134791.

It is an arithmetic number, because the mean of its divisors is an integer number (2416846572).

Almost surely, 2^22154426745 is an apocalyptic number.

It is an amenable number.

22154426745 is a deficient number, since it is larger than the sum of its proper divisors (16515118407).

22154426745 is a wasteful number, since it uses less digits than its factorization.

22154426745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134269272.

The product of its digits is 537600, while the sum is 42.

The spelling of 22154426745 in words is "twenty-two billion, one hundred fifty-four million, four hundred twenty-six thousand, seven hundred forty-five".