22257923702447 has 8 divisors (see below), whose sum is σ = 22261150645920. Its totient is φ = 22254696970240.

The previous prime is 22257923702437. The next prime is 22257923702467. The reversal of 22257923702447 is 74420732975222.

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

It is a cyclic number.

It is not a de Polignac number, because 22257923702447 - 2¹⁰ = 22257923701423 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22257923702392 and 22257923702401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22257923702437) 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, 445213622 + ... + 445263612.

It is an arithmetic number, because the mean of its divisors is an integer number (2782643830740).

Almost surely, 2^{22257923702447} is an apocalyptic number.

22257923702447 is a deficient number, since it is larger than the sum of its proper divisors (3226943473).

22257923702447 is an equidigital number, since it uses as much as digits as its factorization.

22257923702447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105633.

The product of its (nonzero) digits is 23708160, while the sum is 56.

The spelling of 22257923702447 in words is "twenty-two trillion, two hundred fifty-seven billion, nine hundred twenty-three million, seven hundred two thousand, four hundred forty-seven".