1422040505 has 4 divisors (see below), whose sum is σ = 1706448612. Its totient is φ = 1137632400.

The previous prime is 1422040483. The next prime is 1422040517. The reversal of 1422040505 is 5050402241.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 502252921 + 919787584 = 22411^2 + 30328^2 .

It is not a de Polignac number, because 1422040505 - 2¹⁰ = 1422039481 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142204046 + ... + 142204055.

It is an arithmetic number, because the mean of its divisors is an integer number (426612153).

Almost surely, 2^1422040505 is an apocalyptic number.

It is an amenable number.

1422040505 is a deficient number, since it is larger than the sum of its proper divisors (284408107).

1422040505 is an equidigital number, since it uses as much as digits as its factorization.

1422040505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284408106.

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 1422040505 is about 37709.9523335684. The cubic root of 1422040505 is about 1124.5289893286.

Adding to 1422040505 its reverse (5050402241), we get a palindrome (6472442746).

The spelling of 1422040505 in words is "one billion, four hundred twenty-two million, forty thousand, five hundred five".