1225430530 has 32 divisors (see below), whose sum is σ = 2267191296. Its totient is φ = 476658624.

The previous prime is 1225430519. The next prime is 1225430551. The reversal of 1225430530 is 350345221.

It is a junction number, because it is equal to n+sod(n) for n = 1225430495 and 1225430504.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65487 + ... + 82093.

It is an arithmetic number, because the mean of its divisors is an integer number (70849728).

Almost surely, 2^1225430530 is an apocalyptic number.

1225430530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1225430530 is a deficient number, since it is larger than the sum of its proper divisors (1041760766).

1225430530 is a wasteful number, since it uses less digits than its factorization.

1225430530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16818.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 1225430530 is about 35006.1498882696. The cubic root of 1225430530 is about 1070.1128160082.

Adding to 1225430530 its reverse (350345221), we get a palindrome (1575775751).

The spelling of 1225430530 in words is "one billion, two hundred twenty-five million, four hundred thirty thousand, five hundred thirty".