2214682688761 has 3 divisors (see below), whose sum is σ = 2214684176943. Its totient is φ = 2214681200580.

The previous prime is 2214682688753. The next prime is 2214682688789. The reversal of 2214682688761 is 1678862864122.

It is a happy number.

The square root of 2214682688761 is 1488181.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 142983053161 + 2071699635600 = 378131^2 + 1439340^2 .

It is not a de Polignac number, because 2214682688761 - 2³ = 2214682688753 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2214682688761.

It is not an unprimeable number, because it can be changed into a prime (2214682688741) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 744091 + ... + 2232271.

It is an arithmetic number, because the mean of its divisors is an integer number (738228058981).

Almost surely, 2^{2214682688761} is an apocalyptic number.

2214682688761 is the 1488181-st square number.

2214682688761 is the 744091-st centered octagonal number.

It is an amenable number.

2214682688761 is a deficient number, since it is larger than the sum of its proper divisors (1488182).

2214682688761 is an frugal number, since it uses more digits than its factorization.

2214682688761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2976362 (or 1488181 counting only the distinct ones).

The product of its digits is 24772608, while the sum is 61.

The spelling of 2214682688761 in words is "two trillion, two hundred fourteen billion, six hundred eighty-two million, six hundred eighty-eight thousand, seven hundred sixty-one".