1321040222 has 8 divisors (see below), whose sum is σ = 1981718136. Its totient is φ = 660467512.

The previous prime is 1321040221. The next prime is 1321040243. The reversal of 1321040222 is 2220401231.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1321040222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1321040221) 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, 25493 + ... + 57375.

It is an arithmetic number, because the mean of its divisors is an integer number (247714767).

Almost surely, 2^1321040222 is an apocalyptic number.

1321040222 is a deficient number, since it is larger than the sum of its proper divisors (660677914).

1321040222 is a wasteful number, since it uses less digits than its factorization.

1321040222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52602.

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

The square root of 1321040222 is about 36346.1170140636. The cubic root of 1321040222 is about 1097.2493871727.

Adding to 1321040222 its reverse (2220401231), we get a palindrome (3541441453).

The spelling of 1321040222 in words is "one billion, three hundred twenty-one million, forty thousand, two hundred twenty-two".