22254271645 has 8 divisors (see below), whose sum is σ = 28110659040. Its totient is φ = 16866395280.

The previous prime is 22254271603. The next prime is 22254271673. The reversal of 22254271645 is 54617245222.

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

It is a de Polignac number, because none of the positive numbers 2^k-22254271645 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22254271598 and 22254271607.

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, 117127651 + ... + 117127840.

It is an arithmetic number, because the mean of its divisors is an integer number (3513832380).

Almost surely, 2^22254271645 is an apocalyptic number.

It is an amenable number.

22254271645 is a deficient number, since it is larger than the sum of its proper divisors (5856387395).

22254271645 is a wasteful number, since it uses less digits than its factorization.

22254271645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234255515.

The product of its digits is 268800, while the sum is 40.

The spelling of 22254271645 in words is "twenty-two billion, two hundred fifty-four million, two hundred seventy-one thousand, six hundred forty-five".