1222413 has 4 divisors (see below), whose sum is σ = 1629888. Its totient is φ = 814940.

The previous prime is 1222411. The next prime is 1222433. The reversal of 1222413 is 3142221.

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 1222413 - 2¹ = 1222411 is a prime.

It is a D-number.

It is a junction number, because it is equal to n+sod(n) for n = 1222392 and 1222401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222411) 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, 203733 + ... + 203738.

It is an arithmetic number, because the mean of its divisors is an integer number (407472).

2^1222413 is an apocalyptic number.

It is an amenable number.

1222413 is a deficient number, since it is larger than the sum of its proper divisors (407475).

1222413 is an equidigital number, since it uses as much as digits as its factorization.

1222413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407474.

The product of its digits is 96, while the sum is 15.

The square root of 1222413 is about 1105.6278759149. The cubic root of 1222413 is about 106.9233736765.

Adding to 1222413 its reverse (3142221), we get a palindrome (4364634).

The spelling of 1222413 in words is "one million, two hundred twenty-two thousand, four hundred thirteen".