155222063 has 2 divisors, whose sum is σ = 155222064. Its totient is φ = 155222062.

The previous prime is 155222047. The next prime is 155222069. The reversal of 155222063 is 360222551.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 155222063 - 2⁴ = 155222047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (155222069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77611031 + 77611032.

It is an arithmetic number, because the mean of its divisors is an integer number (77611032).

Almost surely, 2^155222063 is an apocalyptic number.

155222063 is a deficient number, since it is larger than the sum of its proper divisors (1).

155222063 is an equidigital number, since it uses as much as digits as its factorization.

155222063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 155222063 is about 12458.8146707462. The cubic root of 155222063 is about 537.4249405193.

The spelling of 155222063 in words is "one hundred fifty-five million, two hundred twenty-two thousand, sixty-three".