1022222224 has 10 divisors (see below), whose sum is σ = 1980555590. Its totient is φ = 511111104.

The previous prime is 1022222221. The next prime is 1022222231. The reversal of 1022222224 is 4222222201.

It can be written as a sum of positive squares in only one way, i.e., 1002862224 + 19360000 = 31668^2 + 4400^2 .

It is not an unprimeable number, because it can be changed into a prime (1022222221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31944429 + ... + 31944460.

It is an arithmetic number, because the mean of its divisors is an integer number (198055559).

Almost surely, 2^1022222224 is an apocalyptic number.

It is an amenable number.

1022222224 is a deficient number, since it is larger than the sum of its proper divisors (958333366).

1022222224 is an equidigital number, since it uses as much as digits as its factorization.

1022222224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63888897 (or 63888891 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 1022222224 is about 31972.2101832201. The cubic root of 1022222224 is about 1007.3532058356.

Adding to 1022222224 its reverse (4222222201), we get a palindrome (5244444425).

The spelling of 1022222224 in words is "one billion, twenty-two million, two hundred twenty-two thousand, two hundred twenty-four".