22154646343 has 2 divisors, whose sum is σ = 22154646344. Its totient is φ = 22154646342.

The previous prime is 22154646331. The next prime is 22154646427. The reversal of 22154646343 is 34364645122.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22154646343 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22154646296 and 22154646305.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22154646043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11077323171 + 11077323172.

It is an arithmetic number, because the mean of its divisors is an integer number (11077323172).

Almost surely, 2^22154646343 is an apocalyptic number.

22154646343 is a deficient number, since it is larger than the sum of its proper divisors (1).

22154646343 is an equidigital number, since it uses as much as digits as its factorization.

22154646343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 414720, while the sum is 40.

The spelling of 22154646343 in words is "twenty-two billion, one hundred fifty-four million, six hundred forty-six thousand, three hundred forty-three".