1025224550 has 36 divisors (see below), whose sum is σ = 2218256460. Its totient is φ = 351504720.

The previous prime is 1025224547. The next prime is 1025224573. The reversal of 1025224550 is 554225201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 206780 + ... + 211679.

It is an arithmetic number, because the mean of its divisors is an integer number (61618235).

Almost surely, 2^1025224550 is an apocalyptic number.

1025224550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1025224550 is an abundant number, since it is smaller than the sum of its proper divisors (1193031910).

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

1025224550 is a wasteful number, since it uses less digits than its factorization.

1025224550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418485 (or 418473 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 1025224550 is about 32019.1278769426. The cubic root of 1025224550 is about 1008.3384601580.

Adding to 1025224550 its reverse (554225201), we get a palindrome (1579449751).

The spelling of 1025224550 in words is "one billion, twenty-five million, two hundred twenty-four thousand, five hundred fifty".