245511226 has 4 divisors (see below), whose sum is σ = 368266842. Its totient is φ = 122755612.

The previous prime is 245511197. The next prime is 245511241. The reversal of 245511226 is 622115542.

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., 234120601 + 11390625 = 15301^2 + 3375^2 .

It is a junction number, because it is equal to n+sod(n) for n = 245511194 and 245511203.

It is an unprimeable number.

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, 61377805 + ... + 61377808.

Almost surely, 2^245511226 is an apocalyptic number.

245511226 is a deficient number, since it is larger than the sum of its proper divisors (122755616).

245511226 is a wasteful number, since it uses less digits than its factorization.

245511226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122755615.

The product of its digits is 4800, while the sum is 28.

The square root of 245511226 is about 15668.7978479525. The cubic root of 245511226 is about 626.1673976547.

Adding to 245511226 its reverse (622115542), we get a palindrome (867626768).

The spelling of 245511226 in words is "two hundred forty-five million, five hundred eleven thousand, two hundred twenty-six".