1022213 has 4 divisors (see below), whose sum is σ = 1024800. Its totient is φ = 1019628.

The previous prime is 1022209. The next prime is 1022237. The reversal of 1022213 is 3122201.

It is a happy number.

1022213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 1022213 - 2² = 1022209 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1022194 and 1022203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022243) 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, 563 + ... + 1536.

It is an arithmetic number, because the mean of its divisors is an integer number (256200).

2^1022213 is an apocalyptic number.

It is an amenable number.

1022213 is a deficient number, since it is larger than the sum of its proper divisors (2587).

1022213 is an equidigital number, since it uses as much as digits as its factorization.

1022213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2586.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 1022213 is about 1011.0454984816. The cubic root of 1022213 is about 100.7350175883.

Adding to 1022213 its reverse (3122201), we get a palindrome (4144414).

The spelling of 1022213 in words is "one million, twenty-two thousand, two hundred thirteen".