152215226 has 4 divisors (see below), whose sum is σ = 228322842. Its totient is φ = 76107612.

The previous prime is 152215211. The next prime is 152215237. The reversal of 152215226 is 622512251.

152215226 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, and also an emirpimes, since its reverse is a distinct semiprime: 622512251 = 5197 ⋅119783.

It can be written as a sum of positive squares in only one way, i.e., 152152225 + 63001 = 12335^2 + 251^2 .

It is a junction number, because it is equal to n+sod(n) for n = 152215195 and 152215204.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38053805 + ... + 38053808.

Almost surely, 2^152215226 is an apocalyptic number.

152215226 is a deficient number, since it is larger than the sum of its proper divisors (76107616).

152215226 is an equidigital number, since it uses as much as digits as its factorization.

152215226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76107615.

The product of its digits is 2400, while the sum is 26.

The square root of 152215226 is about 12337.5534851931. The cubic root of 152215226 is about 533.9321010425.

Adding to 152215226 its reverse (622512251), we get a palindrome (774727477).

The spelling of 152215226 in words is "one hundred fifty-two million, two hundred fifteen thousand, two hundred twenty-six".