150722217 has 24 divisors (see below), whose sum is σ = 225358848. Its totient is φ = 96969600.

The previous prime is 150722161. The next prime is 150722263. The reversal of 150722217 is 712227051.

It is not a de Polignac number, because 150722217 - 2¹² = 150718121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (150722417) 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 23 ways as a sum of consecutive naturals, for example, 164992 + ... + 165902.

It is an arithmetic number, because the mean of its divisors is an integer number (9389952).

Almost surely, 2^150722217 is an apocalyptic number.

It is an amenable number.

150722217 is a deficient number, since it is larger than the sum of its proper divisors (74636631).

150722217 is a wasteful number, since it uses less digits than its factorization.

150722217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1541 (or 1538 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 27.

The square root of 150722217 is about 12276.8976944503. The cubic root of 150722217 is about 532.1806641856.

Adding to 150722217 its reverse (712227051), we get a palindrome (862949268).

The spelling of 150722217 in words is "one hundred fifty million, seven hundred twenty-two thousand, two hundred seventeen".