1525202226 has 24 divisors (see below), whose sum is σ = 3498994044. Its totient is φ = 478494720.

The previous prime is 1525202207. The next prime is 1525202279. The reversal of 1525202226 is 6222025251.

It can be written as a sum of positive squares in 2 ways, for example, as 1480325625 + 44876601 = 38475^2 + 6699^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1525202226.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2491855 + ... + 2492466.

Almost surely, 2^1525202226 is an apocalyptic number.

1525202226 is an abundant number, since it is smaller than the sum of its proper divisors (1973791818).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1525202226 is a wasteful number, since it uses less digits than its factorization.

1525202226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4984346 (or 4984343 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 1525202226 is about 39053.8375323092. The cubic root of 1525202226 is about 1151.0896354135.

Adding to 1525202226 its reverse (6222025251), we get a palindrome (7747227477).

The spelling of 1525202226 in words is "one billion, five hundred twenty-five million, two hundred two thousand, two hundred twenty-six".