150056221 has 8 divisors (see below), whose sum is σ = 172485504. Its totient is φ = 127875120.

The previous prime is 150056191. The next prime is 150056233. The reversal of 150056221 is 122650051.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 150056221 - 2⁵ = 150056189 is a prime.

It is a super-4 number, since 4×150056221⁴ (a number of 34 digits) contains 4444 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 150056192 and 150056201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150056321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60745 + ... + 63166.

It is an arithmetic number, because the mean of its divisors is an integer number (21560688).

Almost surely, 2^150056221 is an apocalyptic number.

It is an amenable number.

150056221 is a deficient number, since it is larger than the sum of its proper divisors (22429283).

150056221 is a wasteful number, since it uses less digits than its factorization.

150056221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124091.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 150056221 is about 12249.7437116047. The cubic root of 150056221 is about 531.3956582189.

The spelling of 150056221 in words is "one hundred fifty million, fifty-six thousand, two hundred twenty-one".