2190804015 has 16 divisors (see below), whose sum is σ = 3507959808. Its totient is φ = 1167537696.

The previous prime is 2190803999. The next prime is 2190804017. The reversal of 2190804015 is 5104080912.

It is a happy number.

It is not a de Polignac number, because 2190804015 - 2⁴ = 2190803999 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2190804017) 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, 35127 + ... + 74936.

It is an arithmetic number, because the mean of its divisors is an integer number (219247488).

Almost surely, 2^2190804015 is an apocalyptic number.

2190804015 is a deficient number, since it is larger than the sum of its proper divisors (1317155793).

2190804015 is a wasteful number, since it uses less digits than its factorization.

2190804015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111398.

The product of its (nonzero) digits is 2880, while the sum is 30.

The square root of 2190804015 is about 46806.0254134016. The cubic root of 2190804015 is about 1298.7767615804.

Adding to 2190804015 its reverse (5104080912), we get a palindrome (7294884927).

The spelling of 2190804015 in words is "two billion, one hundred ninety million, eight hundred four thousand, fifteen".