153226225 has 12 divisors (see below), whose sum is σ = 194635980. Its totient is φ = 119590400.

The previous prime is 153226223. The next prime is 153226231. The reversal of 153226225 is 522622351.

It can be written as a sum of positive squares in 6 ways, for example, as 52765696 + 100460529 = 7264^2 + 10023^2 .

It is not a de Polignac number, because 153226225 - 2¹ = 153226223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 153226193 and 153226202.

It is not an unprimeable number, because it can be changed into a prime (153226223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 73720 + ... + 75769.

It is an arithmetic number, because the mean of its divisors is an integer number (16219665).

Almost surely, 2^153226225 is an apocalyptic number.

It is an amenable number.

153226225 is a deficient number, since it is larger than the sum of its proper divisors (41409755).

153226225 is a wasteful number, since it uses less digits than its factorization.

153226225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149540 (or 149535 counting only the distinct ones).

The product of its digits is 7200, while the sum is 28.

The square root of 153226225 is about 12378.4581026879. The cubic root of 153226225 is about 535.1116021874. Note that the first 3 decimals are identical.

Adding to 153226225 its reverse (522622351), we get a palindrome (675848576).

The spelling of 153226225 in words is "one hundred fifty-three million, two hundred twenty-six thousand, two hundred twenty-five".