1422420031 has 4 divisors (see below), whose sum is σ = 1428525072. Its totient is φ = 1416314992.

The previous prime is 1422420017. The next prime is 1422420037. The reversal of 1422420031 is 1300242241.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1422420031 is a prime.

It is a super-2 number, since 2×1422420031² = 4046557489180081922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1422419990 and 1422420008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1422420037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3052171 + ... + 3052636.

It is an arithmetic number, because the mean of its divisors is an integer number (357131268).

Almost surely, 2^1422420031 is an apocalyptic number.

1422420031 is a deficient number, since it is larger than the sum of its proper divisors (6105041).

1422420031 is an equidigital number, since it uses as much as digits as its factorization.

1422420031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6105040.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1422420031 is about 37714.9841707510. The cubic root of 1422420031 is about 1124.6290216472.

Adding to 1422420031 its reverse (1300242241), we get a palindrome (2722662272).

The spelling of 1422420031 in words is "one billion, four hundred twenty-two million, four hundred twenty thousand, thirty-one".