1000412226 has 72 divisors (see below), whose sum is σ = 2512031184. Its totient is φ = 285306240.

The previous prime is 1000412213. The next prime is 1000412227. The reversal of 1000412226 is 6222140001.

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 = 1000412199 and 1000412208.

It is not an unprimeable number, because it can be changed into a prime (1000412227) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 48481 + ... + 65963.

It is an arithmetic number, because the mean of its divisors is an integer number (34889322).

Almost surely, 2^1000412226 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1000412226, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1256015592).

1000412226 is an abundant number, since it is smaller than the sum of its proper divisors (1511618958).

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

1000412226 is a wasteful number, since it uses less digits than its factorization.

1000412226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17536 (or 17516 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1000412226 is about 31629.2937954675. The cubic root of 1000412226 is about 1000.1373897898.

Adding to 1000412226 its reverse (6222140001), we get a palindrome (7222552227).

The spelling of 1000412226 in words is "one billion, four hundred twelve thousand, two hundred twenty-six".