1421310224 has 10 divisors (see below), whose sum is σ = 2753788590. Its totient is φ = 710655104.

The previous prime is 1421310217. The next prime is 1421310229. The reversal of 1421310224 is 4220131241.

It can be written as a sum of positive squares in only one way, i.e., 1229764624 + 191545600 = 35068^2 + 13840^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1421310196 and 1421310205.

It is not an unprimeable number, because it can be changed into a prime (1421310229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44415929 + ... + 44415960.

It is an arithmetic number, because the mean of its divisors is an integer number (275378859).

Almost surely, 2^1421310224 is an apocalyptic number.

It is an amenable number.

1421310224 is a deficient number, since it is larger than the sum of its proper divisors (1332478366).

1421310224 is an equidigital number, since it uses as much as digits as its factorization.

1421310224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88831897 (or 88831891 counting only the distinct ones).

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

The square root of 1421310224 is about 37700.2682218575. The cubic root of 1421310224 is about 1124.3364578290.

Adding to 1421310224 its reverse (4220131241), we get a palindrome (5641441465).

The spelling of 1421310224 in words is "one billion, four hundred twenty-one million, three hundred ten thousand, two hundred twenty-four".