1020322222 has 4 divisors (see below), whose sum is σ = 1530483336. Its totient is φ = 510161110.

The previous prime is 1020322217. The next prime is 1020322253. The reversal of 1020322222 is 2222230201.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 1020322196 and 1020322205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255080554 + ... + 255080557.

It is an arithmetic number, because the mean of its divisors is an integer number (382620834).

Almost surely, 2^1020322222 is an apocalyptic number.

1020322222 is a deficient number, since it is larger than the sum of its proper divisors (510161114).

1020322222 is an equidigital number, since it uses as much as digits as its factorization.

1020322222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510161113.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 1020322222 is about 31942.4830280929. The cubic root of 1020322222 is about 1006.7286970874.

Adding to 1020322222 its reverse (2222230201), we get a palindrome (3242552423).

The spelling of 1020322222 in words is "one billion, twenty million, three hundred twenty-two thousand, two hundred twenty-two".