1000022401 has 8 divisors (see below), whose sum is σ = 1158539264. Its totient is φ = 845419680.

The previous prime is 1000022393. The next prime is 1000022417. The reversal of 1000022401 is 1042200001.

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

It is not a de Polignac number, because 1000022401 - 2³ = 1000022393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1000022461) 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, 977985 + ... + 979006.

It is an arithmetic number, because the mean of its divisors is an integer number (144817408).

Almost surely, 2^1000022401 is an apocalyptic number.

It is an amenable number.

1000022401 is a deficient number, since it is larger than the sum of its proper divisors (158516863).

1000022401 is an equidigital number, since it uses as much as digits as its factorization.

1000022401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1957071.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 1000022401 is about 31623.1307906096. The cubic root of 1000022401 is about 1000.0074669442.

Adding to 1000022401 its reverse (1042200001), we get a palindrome (2042222402).

The spelling of 1000022401 in words is "one billion, twenty-two thousand, four hundred one".