1225200430 has 16 divisors (see below), whose sum is σ = 2206750464. Its totient is φ = 489771360.

The previous prime is 1225200401. The next prime is 1225200461. The reversal of 1225200430 is 340025221.

It is a super-2 number, since 2×1225200430² = 3002232187344369800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1225200398 and 1225200407.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21582 + ... + 54001.

It is an arithmetic number, because the mean of its divisors is an integer number (137921904).

Almost surely, 2^1225200430 is an apocalyptic number.

1225200430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1225200430 is a deficient number, since it is larger than the sum of its proper divisors (981550034).

1225200430 is a wasteful number, since it uses less digits than its factorization.

1225200430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77211.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 1225200430 is about 35002.8631686038. The cubic root of 1225200430 is about 1070.0458331897.

Adding to 1225200430 its reverse (340025221), we get a palindrome (1565225651).

The spelling of 1225200430 in words is "one billion, two hundred twenty-five million, two hundred thousand, four hundred thirty".