1012224431 has 4 divisors (see below), whose sum is σ = 1044876864. Its totient is φ = 979572000.

The previous prime is 1012224427. The next prime is 1012224469. The reversal of 1012224431 is 1344222101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1012224431 - 2² = 1012224427 is a prime.

It is a super-2 number, since 2×1012224431² = 2049196597426547522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012224481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16326170 + ... + 16326231.

It is an arithmetic number, because the mean of its divisors is an integer number (261219216).

Almost surely, 2^1012224431 is an apocalyptic number.

1012224431 is a deficient number, since it is larger than the sum of its proper divisors (32652433).

1012224431 is an equidigital number, since it uses as much as digits as its factorization.

1012224431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32652432.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1012224431 is about 31815.4747096440. The cubic root of 1012224431 is about 1004.0583181074.

Adding to 1012224431 its reverse (1344222101), we get a palindrome (2356446532).

The spelling of 1012224431 in words is "one billion, twelve million, two hundred twenty-four thousand, four hundred thirty-one".