1001225435 has 16 divisors (see below), whose sum is σ = 1420459200. Its totient is φ = 662879616.

The previous prime is 1001225419. The next prime is 1001225437. The reversal of 1001225435 is 5345221001.

It is not a de Polignac number, because 1001225435 - 2⁴ = 1001225419 is a prime.

It is a super-3 number, since 3×1001225435³ (a number of 28 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1001225435.

It is not an unprimeable number, because it can be changed into a prime (1001225437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 492200 + ... + 494229.

It is an arithmetic number, because the mean of its divisors is an integer number (88778700).

Almost surely, 2^1001225435 is an apocalyptic number.

1001225435 is a deficient number, since it is larger than the sum of its proper divisors (419233765).

1001225435 is an equidigital number, since it uses as much as digits as its factorization.

1001225435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 986470.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 1001225435 is about 31642.1464979859. The cubic root of 1001225435 is about 1000.4083115923.

Adding to 1001225435 its reverse (5345221001), we get a palindrome (6346446436).

The spelling of 1001225435 in words is "one billion, one million, two hundred twenty-five thousand, four hundred thirty-five".