1021340222 has 24 divisors (see below), whose sum is σ = 1783363104. Its totient is φ = 437415552.

The previous prime is 1021340213. The next prime is 1021340261. The reversal of 1021340222 is 2220431201.

It is a self number, because there is not a number n which added to its sum of digits gives 1021340222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 195083 + ... + 200249.

It is an arithmetic number, because the mean of its divisors is an integer number (74306796).

Almost surely, 2^1021340222 is an apocalyptic number.

1021340222 is a deficient number, since it is larger than the sum of its proper divisors (762022882).

1021340222 is a wasteful number, since it uses less digits than its factorization.

1021340222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7200 (or 7193 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1021340222 is about 31958.4139468779. The cubic root of 1021340222 is about 1007.0633982701.

Adding to 1021340222 its reverse (2220431201), we get a palindrome (3241771423).

The spelling of 1021340222 in words is "one billion, twenty-one million, three hundred forty thousand, two hundred twenty-two".