13942223 has 2 divisors, whose sum is σ = 13942224. Its totient is φ = 13942222.

The previous prime is 13942217. The next prime is 13942237. The reversal of 13942223 is 32224931.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13942223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13942192 and 13942201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13941223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6971111 + 6971112.

It is an arithmetic number, because the mean of its divisors is an integer number (6971112).

Almost surely, 2^13942223 is an apocalyptic number.

13942223 is a deficient number, since it is larger than the sum of its proper divisors (1).

13942223 is an equidigital number, since it uses as much as digits as its factorization.

13942223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2592, while the sum is 26.

The square root of 13942223 is about 3733.9286281342. The cubic root of 13942223 is about 240.6822197762.

The spelling of 13942223 in words is "thirteen million, nine hundred forty-two thousand, two hundred twenty-three".