1000023222 has 32 divisors (see below), whose sum is σ = 2232616320. Its totient is φ = 295989120.

The previous prime is 1000023197. The next prime is 1000023229. The reversal of 1000023222 is 2223200001.

It is a super-2 number, since 2×1000023222² = 2000092889078522568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1000023198 and 1000023207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000023229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 173347 + ... + 179022.

It is an arithmetic number, because the mean of its divisors is an integer number (69769260).

Almost surely, 2^1000023222 is an apocalyptic number.

1000023222 is an abundant number, since it is smaller than the sum of its proper divisors (1232593098).

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

1000023222 is a wasteful number, since it uses less digits than its factorization.

1000023222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352428.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 1000023222 is about 31623.1437716113. The cubic root of 1000023222 is about 1000.0077406067.

Adding to 1000023222 its reverse (2223200001), we get a palindrome (3223223223).

The spelling of 1000023222 in words is "one billion, twenty-three thousand, two hundred twenty-two".