100422501 has 8 divisors (see below), whose sum is σ = 137010720. Its totient is φ = 65391312.

The previous prime is 100422473. The next prime is 100422541. The reversal of 100422501 is 105224001.

100422501 = 304² + 305² + ... + 690².

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

It is not a de Polignac number, because 100422501 - 2¹³ = 100414309 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100422541) 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, 389106 + ... + 389363.

It is an arithmetic number, because the mean of its divisors is an integer number (17126340).

Almost surely, 2^100422501 is an apocalyptic number.

It is an amenable number.

100422501 is a deficient number, since it is larger than the sum of its proper divisors (36588219).

100422501 is an equidigital number, since it uses as much as digits as its factorization.

100422501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 778515.

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 100422501 is about 10021.1027836262. The cubic root of 100422501 is about 464.8116568723.

Adding to 100422501 its reverse (105224001), we get a palindrome (205646502).

The spelling of 100422501 in words is "one hundred million, four hundred twenty-two thousand, five hundred one".