1000225430 has 16 divisors (see below), whose sum is σ = 1906312320. Its totient is φ = 376555392.

The previous prime is 1000225427. The next prime is 1000225439. The reversal of 1000225430 is 345220001.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a junction number, because it is equal to n+sod(n) for n = 1000225399 and 1000225408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000225439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2941670 + ... + 2942009.

It is an arithmetic number, because the mean of its divisors is an integer number (119144520).

Almost surely, 2^1000225430 is an apocalyptic number.

1000225430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1000225430 is a deficient number, since it is larger than the sum of its proper divisors (906086890).

1000225430 is a wasteful number, since it uses less digits than its factorization.

1000225430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5883703.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 1000225430 is about 31626.3407620926. The cubic root of 1000225430 is about 1000.0751376875.

Adding to 1000225430 its reverse (345220001), we get a palindrome (1345445431).

The spelling of 1000225430 in words is "one billion, two hundred twenty-five thousand, four hundred thirty".