150704221 has 12 divisors (see below), whose sum is σ = 155118132. Its totient is φ = 146400000.

The previous prime is 150704209. The next prime is 150704249. The reversal of 150704221 is 122407051.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 151321 + 150552900 = 389^2 + 12270^2 .

It is not a de Polignac number, because 150704221 - 2¹⁵ = 150671453 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 150704192 and 150704201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150704261) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 375621 + ... + 376021.

It is an arithmetic number, because the mean of its divisors is an integer number (12926511).

Almost surely, 2^150704221 is an apocalyptic number.

It is an amenable number.

150704221 is a deficient number, since it is larger than the sum of its proper divisors (4413911).

150704221 is an equidigital number, since it uses as much as digits as its factorization.

150704221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 624 (or 563 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 150704221 is about 12276.1647512568. The cubic root of 150704221 is about 532.1594828260.

It can be divided in two parts, 15070 and 4221, that added together give a palindrome (19291).

The spelling of 150704221 in words is "one hundred fifty million, seven hundred four thousand, two hundred twenty-one".