1022223222 has 48 divisors (see below), whose sum is σ = 2247506352. Its totient is φ = 335745600.

The previous prime is 1022223187. The next prime is 1022223229. The reversal of 1022223222 is 2223222201.

It is a super-2 number, since 2×1022223222² = 2089880631192122568, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1022223195 and 1022223204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022223229) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 411448 + ... + 413924.

It is an arithmetic number, because the mean of its divisors is an integer number (46823049).

Almost surely, 2^1022223222 is an apocalyptic number.

1022223222 is an abundant number, since it is smaller than the sum of its proper divisors (1225283130).

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

1022223222 is a wasteful number, since it uses less digits than its factorization.

1022223222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2813 (or 2810 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 1022223222 is about 31972.2257905201. The cubic root of 1022223222 is about 1007.3535336632.

Adding to 1022223222 its reverse (2223222201), we get a palindrome (3245445423).

The spelling of 1022223222 in words is "one billion, twenty-two million, two hundred twenty-three thousand, two hundred twenty-two".