1224430445 has 16 divisors (see below), whose sum is σ = 1679927040. Its totient is φ = 839255424.

The previous prime is 1224430439. The next prime is 1224430453. The reversal of 1224430445 is 5440344221.

It is not a de Polignac number, because 1224430445 - 2¹⁰ = 1224429421 is a prime.

It is a congruent number.

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, 98024 + ... + 109806.

It is an arithmetic number, because the mean of its divisors is an integer number (104995440).

Almost surely, 2^1224430445 is an apocalyptic number.

It is an amenable number.

1224430445 is a deficient number, since it is larger than the sum of its proper divisors (455496595).

1224430445 is a wasteful number, since it uses less digits than its factorization.

1224430445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14764.

The product of its (nonzero) digits is 15360, while the sum is 29.

The square root of 1224430445 is about 34991.8625540282. The cubic root of 1224430445 is about 1069.8216271795.

Adding to 1224430445 its reverse (5440344221), we get a palindrome (6664774666).

The spelling of 1224430445 in words is "one billion, two hundred twenty-four million, four hundred thirty thousand, four hundred forty-five".