1002223222 has 64 divisors (see below), whose sum is σ = 2029805568. Its totient is φ = 358416000.

The previous prime is 1002223217. The next prime is 1002223223. The reversal of 1002223222 is 2223222001.

It is a super-2 number, since 2×1002223222² = 2008902773432122568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1002223196 and 1002223205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002223223) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 381072 + ... + 383692.

It is an arithmetic number, because the mean of its divisors is an integer number (31715712).

Almost surely, 2^1002223222 is an apocalyptic number.

1002223222 is an abundant number, since it is smaller than the sum of its proper divisors (1027582346).

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

1002223222 is a wasteful number, since it uses less digits than its factorization.

1002223222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2845.

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

The square root of 1002223222 is about 31657.9093118923. The cubic root of 1002223222 is about 1000.7405254866.

Adding to 1002223222 its reverse (2223222001), we get a palindrome (3225445223).

The spelling of 1002223222 in words is "one billion, two million, two hundred twenty-three thousand, two hundred twenty-two".