10221322 has 4 divisors (see below), whose sum is σ = 15331986. Its totient is φ = 5110660.

The previous prime is 10221293. The next prime is 10221347. The reversal of 10221322 is 22312201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22312201 = 3803 ⋅5867.

It can be written as a sum of positive squares in only one way, i.e., 7502121 + 2719201 = 2739^2 + 1649^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2555329 + ... + 2555332.

Almost surely, 2^10221322 is an apocalyptic number.

10221322 is a deficient number, since it is larger than the sum of its proper divisors (5110664).

10221322 is an equidigital number, since it uses as much as digits as its factorization.

10221322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5110663.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 10221322 is about 3197.0802304603. The cubic root of 10221322 is about 217.0212980009.

Adding to 10221322 its reverse (22312201), we get a palindrome (32533523).

The spelling of 10221322 in words is "ten million, two hundred twenty-one thousand, three hundred twenty-two".