1422357213 has 4 divisors (see below), whose sum is σ = 1896476288. Its totient is φ = 948238140.

The previous prime is 1422357197. The next prime is 1422357227. The reversal of 1422357213 is 3127532241.

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 not a de Polignac number, because 1422357213 - 2⁴ = 1422357197 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 (1422307213) 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, 237059533 + ... + 237059538.

It is an arithmetic number, because the mean of its divisors is an integer number (474119072).

Almost surely, 2^1422357213 is an apocalyptic number.

It is an amenable number.

1422357213 is a deficient number, since it is larger than the sum of its proper divisors (474119075).

1422357213 is an equidigital number, since it uses as much as digits as its factorization.

1422357213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474119074.

The product of its digits is 10080, while the sum is 30.

The square root of 1422357213 is about 37714.1513625854. The cubic root of 1422357213 is about 1124.6124658282.

Adding to 1422357213 its reverse (3127532241), we get a palindrome (4549889454).

The spelling of 1422357213 in words is "one billion, four hundred twenty-two million, three hundred fifty-seven thousand, two hundred thirteen".