7022738287 has 4 divisors (see below), whose sum is σ = 7050717576. Its totient is φ = 6994759000.

The previous prime is 7022738237. The next prime is 7022738291. The reversal of 7022738287 is 7828372207.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7828372207 = 23 ⋅340364009.

It is a cyclic number.

It is not a de Polignac number, because 7022738287 - 2⁷ = 7022738159 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 (7022738207) 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, 13989268 + ... + 13989769.

It is an arithmetic number, because the mean of its divisors is an integer number (1762679394).

Almost surely, 2^7022738287 is an apocalyptic number.

7022738287 is a deficient number, since it is larger than the sum of its proper divisors (27979289).

7022738287 is a wasteful number, since it uses less digits than its factorization.

7022738287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27979288.

The product of its (nonzero) digits is 526848, while the sum is 46.

The square root of 7022738287 is about 83801.7797364710. The cubic root of 7022738287 is about 1915.0002192393. Note that the first 3 decimals are identical.

The spelling of 7022738287 in words is "seven billion, twenty-two million, seven hundred thirty-eight thousand, two hundred eighty-seven".