152315222 has 4 divisors (see below), whose sum is σ = 228472836. Its totient is φ = 76157610.

The previous prime is 152315161. The next prime is 152315243. The reversal of 152315222 is 222513251.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 222513251 = 8647 ⋅25733.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38078804 + ... + 38078807.

It is an arithmetic number, because the mean of its divisors is an integer number (57118209).

Almost surely, 2^152315222 is an apocalyptic number.

152315222 is a deficient number, since it is larger than the sum of its proper divisors (76157614).

152315222 is an equidigital number, since it uses as much as digits as its factorization.

152315222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76157613.

The product of its digits is 1200, while the sum is 23.

The square root of 152315222 is about 12341.6053250783. The cubic root of 152315222 is about 534.0489955839.

Adding to 152315222 its reverse (222513251), we get a palindrome (374828473).

The spelling of 152315222 in words is "one hundred fifty-two million, three hundred fifteen thousand, two hundred twenty-two".