1420245422 has 8 divisors (see below), whose sum is σ = 2137639896. Its totient is φ = 707698792.

The previous prime is 1420245419. The next prime is 1420245451. The reversal of 1420245422 is 2245420241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1420245391 and 1420245400.

It is a congruent number.

It is an unprimeable number.

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, 1211228 + ... + 1212399.

It is an arithmetic number, because the mean of its divisors is an integer number (267204987).

Almost surely, 2^1420245422 is an apocalyptic number.

1420245422 is a deficient number, since it is larger than the sum of its proper divisors (717394474).

1420245422 is a wasteful number, since it uses less digits than its factorization.

1420245422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2423922.

The product of its (nonzero) digits is 5120, while the sum is 26.

The square root of 1420245422 is about 37686.1436339671. The cubic root of 1420245422 is about 1124.0556148948.

Adding to 1420245422 its reverse (2245420241), we get a palindrome (3665665663).

The spelling of 1420245422 in words is "one billion, four hundred twenty million, two hundred forty-five thousand, four hundred twenty-two".