2015422101 has 48 divisors (see below), whose sum is σ = 3750812800. Its totient is φ = 1046960640.

The previous prime is 2015422091. The next prime is 2015422103. The reversal of 2015422101 is 1012245102.

2015422101 is a `hidden beast` number, since 20 + 1 + 542 + 2 + 101 = 666.

It is not a de Polignac number, because 2015422101 - 2⁶ = 2015422037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2015422103) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 21196 + ... + 66933.

Almost surely, 2^2015422101 is an apocalyptic number.

2015422101 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2015422101 is a deficient number, since it is larger than the sum of its proper divisors (1735390699).

2015422101 is a wasteful number, since it uses less digits than its factorization.

2015422101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88167 (or 88150 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 2015422101 is about 44893.4527631814. The cubic root of 2015422101 is about 1263.1511997318.

Adding to 2015422101 its reverse (1012245102), we get a palindrome (3027667203).

The spelling of 2015422101 in words is "two billion, fifteen million, four hundred twenty-two thousand, one hundred one".