1022011222 has 4 divisors (see below), whose sum is σ = 1533016836. Its totient is φ = 511005610.

The previous prime is 1022011213. The next prime is 1022011247. The reversal of 1022011222 is 2221102201.

It is a happy number.

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

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, 255502804 + ... + 255502807.

It is an arithmetic number, because the mean of its divisors is an integer number (383254209).

Almost surely, 2^1022011222 is an apocalyptic number.

1022011222 is a deficient number, since it is larger than the sum of its proper divisors (511005614).

1022011222 is an equidigital number, since it uses as much as digits as its factorization.

1022011222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511005613.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 1022011222 is about 31968.9102410451. The cubic root of 1022011222 is about 1007.2838901289.

Adding to 1022011222 its reverse (2221102201), we get a palindrome (3243113423).

The spelling of 1022011222 in words is "one billion, twenty-two million, eleven thousand, two hundred twenty-two".