2215340551 has 8 divisors (see below), whose sum is σ = 2227080240. Its totient is φ = 2203630848.

The previous prime is 2215340539. The next prime is 2215340573. The reversal of 2215340551 is 1550435122.

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

It is a cyclic number.

It is not a de Polignac number, because 2215340551 - 2²⁵ = 2181786119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2215340531) 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, 149175 + ... + 163351.

It is an arithmetic number, because the mean of its divisors is an integer number (278385030).

Almost surely, 2^2215340551 is an apocalyptic number.

2215340551 is a deficient number, since it is larger than the sum of its proper divisors (11739689).

2215340551 is a wasteful number, since it uses less digits than its factorization.

2215340551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14993.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 2215340551 is about 47067.4043367594. The cubic root of 2215340551 is about 1303.6074459086.

Adding to 2215340551 its reverse (1550435122), we get a palindrome (3765775673).

The spelling of 2215340551 in words is "two billion, two hundred fifteen million, three hundred forty thousand, five hundred fifty-one".