1000000022 has 16 divisors (see below), whose sum is σ = 1723761312. Its totient is φ = 426202560.

The previous prime is 1000000021. The next prime is 1000000033. The reversal of 1000000022 is 2200000001.

1000000022 is a modest number, since divided by 22 gives 10 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 999999952 and 1000000015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000000021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 194783 + ... + 199850.

It is an arithmetic number, because the mean of its divisors is an integer number (107735082).

Almost surely, 2^1000000022 is an apocalyptic number.

1000000022 is a deficient number, since it is larger than the sum of its proper divisors (723761290).

1000000022 is a wasteful number, since it uses less digits than its factorization.

1000000022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394823.

The product of its (nonzero) digits is 4, while the sum is 5.

The square root of 1000000022 is about 31622.7769495343. The cubic root of 1000000022 is about 1000.0000073333. Note that the first 5 decimals are identical.

Adding to 1000000022 its reverse (2200000001), we get a palindrome (3200000023).

The spelling of 1000000022 in words is "one billion, twenty-two", and thus it is an aban number and an uban number.