2215143201 has 4 divisors (see below), whose sum is σ = 2953524272. Its totient is φ = 1476762132.

The previous prime is 2215143191. The next prime is 2215143233. The reversal of 2215143201 is 1023415122.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2215143201 - 2⁵ = 2215143169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2215143251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 369190531 + ... + 369190536.

It is an arithmetic number, because the mean of its divisors is an integer number (738381068).

Almost surely, 2^2215143201 is an apocalyptic number.

It is an amenable number.

2215143201 is a deficient number, since it is larger than the sum of its proper divisors (738381071).

2215143201 is an equidigital number, since it uses as much as digits as its factorization.

2215143201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 738381070.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 2215143201 is about 47065.3078285907. The cubic root of 2215143201 is about 1303.5687348446.

Adding to 2215143201 its reverse (1023415122), we get a palindrome (3238558323).

The spelling of 2215143201 in words is "two billion, two hundred fifteen million, one hundred forty-three thousand, two hundred one".