22641365427 has 8 divisors (see below), whose sum is σ = 30239918016. Its totient is φ = 15068528232.

The previous prime is 22641365407. The next prime is 22641365449. The reversal of 22641365427 is 72456314622.

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

It is not a de Polignac number, because 22641365427 - 2¹¹ = 22641363379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22641365407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6426793 + ... + 6430314.

It is an arithmetic number, because the mean of its divisors is an integer number (3779989752).

Almost surely, 2^22641365427 is an apocalyptic number.

22641365427 is a deficient number, since it is larger than the sum of its proper divisors (7598552589).

22641365427 is a wasteful number, since it uses less digits than its factorization.

22641365427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12857697.

The product of its digits is 483840, while the sum is 42.

The spelling of 22641365427 in words is "twenty-two billion, six hundred forty-one million, three hundred sixty-five thousand, four hundred twenty-seven".