150698221 has 4 divisors (see below), whose sum is σ = 150742944. Its totient is φ = 150653500.

The previous prime is 150698201. The next prime is 150698237. The reversal of 150698221 is 122896051.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 150698221 - 2⁵ = 150698189 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 (150698201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16855 + ... + 24196.

It is an arithmetic number, because the mean of its divisors is an integer number (37685736).

Almost surely, 2^150698221 is an apocalyptic number.

It is an amenable number.

150698221 is a deficient number, since it is larger than the sum of its proper divisors (44723).

150698221 is an equidigital number, since it uses as much as digits as its factorization.

150698221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44722.

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 150698221 is about 12275.9203728274. The cubic root of 150698221 is about 532.1524204287.

The spelling of 150698221 in words is "one hundred fifty million, six hundred ninety-eight thousand, two hundred twenty-one".