1000022231 has 8 divisors (see below), whose sum is σ = 1133628720. Its totient is φ = 874513152.

The previous prime is 1000022213. The next prime is 1000022237. The reversal of 1000022231 is 1322200001.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1000022231 - 2¹⁴ = 1000005847 is a prime.

It is a super-2 number, since 2×1000022231² = 2000088924988434722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000022237) 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 7 ways as a sum of consecutive naturals, for example, 2024090 + ... + 2024583.

It is an arithmetic number, because the mean of its divisors is an integer number (141703590).

Almost surely, 2^1000022231 is an apocalyptic number.

1000022231 is a deficient number, since it is larger than the sum of its proper divisors (133606489).

1000022231 is a wasteful number, since it uses less digits than its factorization.

1000022231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4048705.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 1000022231 is about 31623.1281027036. The cubic root of 1000022231 is about 1000.0074102784.

Adding to 1000022231 its reverse (1322200001), we get a palindrome (2322222232).

The spelling of 1000022231 in words is "one billion, twenty-two thousand, two hundred thirty-one".