154222063 has 4 divisors (see below), whose sum is σ = 156334768. Its totient is φ = 152109360.

The previous prime is 154222049. The next prime is 154222067. The reversal of 154222063 is 360222451.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 360222451 = 1187 ⋅303473.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-154222063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154222067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1056243 + ... + 1056388.

It is an arithmetic number, because the mean of its divisors is an integer number (39083692).

Almost surely, 2^154222063 is an apocalyptic number.

154222063 is a deficient number, since it is larger than the sum of its proper divisors (2112705).

154222063 is an equidigital number, since it uses as much as digits as its factorization.

154222063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2112704.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 154222063 is about 12418.6175961739. The cubic root of 154222063 is about 536.2683541043.

The spelling of 154222063 in words is "one hundred fifty-four million, two hundred twenty-two thousand, sixty-three".