152022242 has 4 divisors (see below), whose sum is σ = 228033366. Its totient is φ = 76011120.

The previous prime is 152022239. The next prime is 152022253. The reversal of 152022242 is 242220251.

152022242 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 only one way, i.e., 82283041 + 69739201 = 9071^2 + 8351^2 .

It is a super-2 number, since 2×152022242² = 46221524125413128, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38005559 + ... + 38005562.

Almost surely, 2^152022242 is an apocalyptic number.

152022242 is a deficient number, since it is larger than the sum of its proper divisors (76011124).

152022242 is an equidigital number, since it uses as much as digits as its factorization.

152022242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76011123.

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 152022242 is about 12329.7300051542. The cubic root of 152022242 is about 533.7063594351.

Adding to 152022242 its reverse (242220251), we get a palindrome (394242493).

The spelling of 152022242 in words is "one hundred fifty-two million, twenty-two thousand, two hundred forty-two".