1422043213 has 4 divisors (see below), whose sum is σ = 1440043840. Its totient is φ = 1404042588.

The previous prime is 1422043199. The next prime is 1422043279. The reversal of 1422043213 is 3123402241.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1422043213 - 2²¹ = 1419946061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1422043313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9000195 + ... + 9000352.

It is an arithmetic number, because the mean of its divisors is an integer number (360010960).

Almost surely, 2^1422043213 is an apocalyptic number.

It is an amenable number.

1422043213 is a deficient number, since it is larger than the sum of its proper divisors (18000627).

1422043213 is an equidigital number, since it uses as much as digits as its factorization.

1422043213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18000626.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 1422043213 is about 37709.9882391920. The cubic root of 1422043213 is about 1124.5297031439.

Adding to 1422043213 its reverse (3123402241), we get a palindrome (4545445454).

The spelling of 1422043213 in words is "one billion, four hundred twenty-two million, forty-three thousand, two hundred thirteen".