152227406 has 4 divisors (see below), whose sum is σ = 228341112. Its totient is φ = 76113702.

The previous prime is 152227403. The next prime is 152227421. The reversal of 152227406 is 604722251.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 604722251 = 7 ⋅86388893.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152227403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38056850 + ... + 38056853.

It is an arithmetic number, because the mean of its divisors is an integer number (57085278).

Almost surely, 2^152227406 is an apocalyptic number.

152227406 is a deficient number, since it is larger than the sum of its proper divisors (76113706).

152227406 is an equidigital number, since it uses as much as digits as its factorization.

152227406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76113705.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 152227406 is about 12338.0470902003. The cubic root of 152227406 is about 533.9463421048.

Adding to 152227406 its reverse (604722251), we get a palindrome (756949657).

The spelling of 152227406 in words is "one hundred fifty-two million, two hundred twenty-seven thousand, four hundred six".