1022213271 has 8 divisors (see below), whose sum is σ = 1396193904. Its totient is φ = 664854080.

The previous prime is 1022213249. The next prime is 1022213287. The reversal of 1022213271 is 1723122201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1022213271 - 2⁵ = 1022213239 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022213201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4155216 + ... + 4155461.

It is an arithmetic number, because the mean of its divisors is an integer number (174524238).

Almost surely, 2^1022213271 is an apocalyptic number.

1022213271 is a deficient number, since it is larger than the sum of its proper divisors (373980633).

1022213271 is an equidigital number, since it uses as much as digits as its factorization.

1022213271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8310721.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 1022213271 is about 31972.0701706974. The cubic root of 1022213271 is about 1007.3502649031.

Adding to 1022213271 its reverse (1723122201), we get a palindrome (2745335472).

The spelling of 1022213271 in words is "one billion, twenty-two million, two hundred thirteen thousand, two hundred seventy-one".