100222401 has 8 divisors (see below), whose sum is σ = 134953344. Its totient is φ = 66153200.

The previous prime is 100222373. The next prime is 100222433. The reversal of 100222401 is 104222001.

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

It is a cyclic number.

It is not a de Polignac number, because 100222401 - 2¹¹ = 100220353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100222301) 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, 165081 + ... + 165686.

It is an arithmetic number, because the mean of its divisors is an integer number (16869168).

Almost surely, 2^100222401 is an apocalyptic number.

It is an amenable number.

100222401 is a deficient number, since it is larger than the sum of its proper divisors (34730943).

100222401 is a wasteful number, since it uses less digits than its factorization.

100222401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330871.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 100222401 is about 10011.1138740901. The cubic root of 100222401 is about 464.5027265829.

Adding to 100222401 its reverse (104222001), we get a palindrome (204444402).

The spelling of 100222401 in words is "one hundred million, two hundred twenty-two thousand, four hundred one".