152222641 has 4 divisors (see below), whose sum is σ = 161176932. Its totient is φ = 143268352.

The previous prime is 152222621. The next prime is 152222657. The reversal of 152222641 is 146222251.

152222641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 142110241 + 10112400 = 11921^2 + 3180^2 .

It is a cyclic number.

It is not a de Polignac number, because 152222641 - 2⁷ = 152222513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (152222611) 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, 4477120 + ... + 4477153.

It is an arithmetic number, because the mean of its divisors is an integer number (40294233).

Almost surely, 2^152222641 is an apocalyptic number.

It is an amenable number.

152222641 is a deficient number, since it is larger than the sum of its proper divisors (8954291).

152222641 is an equidigital number, since it uses as much as digits as its factorization.

152222641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8954290.

The product of its digits is 1920, while the sum is 25.

The square root of 152222641 is about 12337.8539868163. The cubic root of 152222641 is about 533.9407708766.

Adding to 152222641 its reverse (146222251), we get a palindrome (298444892).

The spelling of 152222641 in words is "one hundred fifty-two million, two hundred twenty-two thousand, six hundred forty-one".