210422401 has 8 divisors (see below), whose sum is σ = 241692800. Its totient is φ = 179454528.

The previous prime is 210422383. The next prime is 210422437. The reversal of 210422401 is 104224012.

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 210422401 - 2⁹ = 210421889 is a prime.

It is a super-5 number, since 5×210422401⁵ (a number of 43 digits) contains 55555 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210422461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74136 + ... + 76921.

It is an arithmetic number, because the mean of its divisors is an integer number (30211600).

Almost surely, 2^210422401 is an apocalyptic number.

It is an amenable number.

210422401 is a deficient number, since it is larger than the sum of its proper divisors (31270399).

210422401 is a wasteful number, since it uses less digits than its factorization.

210422401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151263.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 210422401 is about 14505.9436438999. The cubic root of 210422401 is about 594.7904551294.

Adding to 210422401 its reverse (104224012), we get a palindrome (314646413).

It can be divided in two parts, 2 and 10422401, that multiplied together give a palindrome (20844802).

The spelling of 210422401 in words is "two hundred ten million, four hundred twenty-two thousand, four hundred one".