27221450707 has 12 divisors (see below), whose sum is σ = 29935753848. Its totient is φ = 24734652800.

The previous prime is 27221450701. The next prime is 27221450713. The reversal of 27221450707 is 70705412272.

It is an interprime number because it is at equal distance from previous prime (27221450701) and next prime (27221450713).

It is not a de Polignac number, because 27221450707 - 2¹¹ = 27221448659 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27221450701) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 197748 + ... + 305854.

It is an arithmetic number, because the mean of its divisors is an integer number (2494646154).

Almost surely, 2^27221450707 is an apocalyptic number.

27221450707 is a deficient number, since it is larger than the sum of its proper divisors (2714303141).

27221450707 is a wasteful number, since it uses less digits than its factorization.

27221450707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110210 (or 110199 counting only the distinct ones).

The product of its (nonzero) digits is 54880, while the sum is 37.

Adding to 27221450707 its reverse (70705412272), we get a palindrome (97926862979).

The spelling of 27221450707 in words is "twenty-seven billion, two hundred twenty-one million, four hundred fifty thousand, seven hundred seven".