1000012022 has 4 divisors (see below), whose sum is σ = 1500018036. Its totient is φ = 500006010.

The previous prime is 1000012019. The next prime is 1000012037. The reversal of 1000012022 is 2202100001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2202100001 = 30649 ⋅71849.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250003004 + ... + 250003007.

It is an arithmetic number, because the mean of its divisors is an integer number (375004509).

Almost surely, 2^1000012022 is an apocalyptic number.

1000012022 is a deficient number, since it is larger than the sum of its proper divisors (500006014).

1000012022 is an equidigital number, since it uses as much as digits as its factorization.

1000012022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500006013.

The product of its (nonzero) digits is 8, while the sum is 8.

The square root of 1000012022 is about 31622.9666856227. The cubic root of 1000012022 is about 1000.0040073173.

Adding to 1000012022 its reverse (2202100001), we get a palindrome (3202112023).

It can be divided in two parts, 10000 and 12022, that added together give a palindrome (22022).

The spelling of 1000012022 in words is "one billion, twelve thousand, twenty-two".