100422015 has 16 divisors (see below), whose sum is σ = 163708128. Its totient is φ = 52547456.

The previous prime is 100422001. The next prime is 100422019. The reversal of 100422015 is 510224001.

It is a cyclic number.

It is not a de Polignac number, because 100422015 - 2¹¹ = 100419967 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a junction number, because it is equal to n+sod(n) for n = 100421985 and 100422003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100422019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62364 + ... + 63953.

It is an arithmetic number, because the mean of its divisors is an integer number (10231758).

Almost surely, 2^100422015 is an apocalyptic number.

100422015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

100422015 is a deficient number, since it is larger than the sum of its proper divisors (63286113).

100422015 is a wasteful number, since it uses less digits than its factorization.

100422015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126378.

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

The square root of 100422015 is about 10021.0785347686. The cubic root of 100422015 is about 464.8109070443.

Adding to 100422015 its reverse (510224001), we get a palindrome (610646016).

The spelling of 100422015 in words is "one hundred million, four hundred twenty-two thousand, fifteen".