1022102231 has 4 divisors (see below), whose sum is σ = 1026605112. Its totient is φ = 1017599352.

The previous prime is 1022102227. The next prime is 1022102233. The reversal of 1022102231 is 1322012201.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1322012201 = 23447 ⋅56383.

It is a cyclic number.

It is not a de Polignac number, because 1022102231 - 2² = 1022102227 is a prime.

It is a super-2 number, since 2×1022102231² = 2089385941230354722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022102233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2251100 + ... + 2251553.

It is an arithmetic number, because the mean of its divisors is an integer number (256651278).

Almost surely, 2^1022102231 is an apocalyptic number.

1022102231 is a deficient number, since it is larger than the sum of its proper divisors (4502881).

1022102231 is an equidigital number, since it uses as much as digits as its factorization.

1022102231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4502880.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1022102231 is about 31970.3336078934. Note that the first 3 decimals coincide. The cubic root of 1022102231 is about 1007.3137884237.

Adding to 1022102231 its reverse (1322012201), we get a palindrome (2344114432).

The spelling of 1022102231 in words is "one billion, twenty-two million, one hundred two thousand, two hundred thirty-one".