1022003213 has 16 divisors (see below), whose sum is σ = 1278067200. Its totient is φ = 793940400.

The previous prime is 1022003207. The next prime is 1022003221. The reversal of 1022003213 is 3123002201.

It is a happy number.

It is not a de Polignac number, because 1022003213 - 2⁴ = 1022003197 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 (1022003113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5438 + ... + 45536.

It is an arithmetic number, because the mean of its divisors is an integer number (79879200).

Almost surely, 2^1022003213 is an apocalyptic number.

It is an amenable number.

1022003213 is a deficient number, since it is larger than the sum of its proper divisors (256063987).

1022003213 is a wasteful number, since it uses less digits than its factorization.

1022003213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40448.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 1022003213 is about 31968.7849784755. The cubic root of 1022003213 is about 1007.2812589256.

Adding to 1022003213 its reverse (3123002201), we get a palindrome (4145005414).

The spelling of 1022003213 in words is "one billion, twenty-two million, three thousand, two hundred thirteen".