139422223 has 2 divisors, whose sum is σ = 139422224. Its totient is φ = 139422222.

The previous prime is 139422197. The next prime is 139422293. The reversal of 139422223 is 322224931.

139422223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 139422223 - 2⁵ = 139422191 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 139422191 and 139422200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (139422293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69711111 + 69711112.

It is an arithmetic number, because the mean of its divisors is an integer number (69711112).

Almost surely, 2^139422223 is an apocalyptic number.

139422223 is a deficient number, since it is larger than the sum of its proper divisors (1).

139422223 is an equidigital number, since it uses as much as digits as its factorization.

139422223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5184, while the sum is 28.

The square root of 139422223 is about 11807.7187889956. The cubic root of 139422223 is about 518.5341148817.

The spelling of 139422223 in words is "one hundred thirty-nine million, four hundred twenty-two thousand, two hundred twenty-three".