1022220222 has 16 divisors (see below), whose sum is σ = 2083015440. Its totient is φ = 334310912.

The previous prime is 1022220167. The next prime is 1022220223. The reversal of 1022220222 is 2220222201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022220223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1606947 + ... + 1607582.

It is an arithmetic number, because the mean of its divisors is an integer number (130188465).

Almost surely, 2^1022220222 is an apocalyptic number.

1022220222 is an abundant number, since it is smaller than the sum of its proper divisors (1060795218).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1022220222 is a wasteful number, since it uses less digits than its factorization.

1022220222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3214587.

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 1022220222 is about 31972.1788747655. The cubic root of 1022220222 is about 1007.3525482087.

Adding to 1022220222 its reverse (2220222201), we get a palindrome (3242442423).

The spelling of 1022220222 in words is "one billion, twenty-two million, two hundred twenty thousand, two hundred twenty-two".