15422001227 has 2 divisors, whose sum is σ = 15422001228. Its totient is φ = 15422001226.

The previous prime is 15422001157. The next prime is 15422001253. The reversal of 15422001227 is 72210022451.

It is an a-pointer prime, because the next prime (15422001253) can be obtained adding 15422001227 to its sum of digits (26).

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15422001227 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 15422001196 and 15422001205.

It is not a weakly prime, because it can be changed into another prime (15422001277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7711000613 + 7711000614.

It is an arithmetic number, because the mean of its divisors is an integer number (7711000614).

Almost surely, 2^15422001227 is an apocalyptic number.

15422001227 is a deficient number, since it is larger than the sum of its proper divisors (1).

15422001227 is an equidigital number, since it uses as much as digits as its factorization.

15422001227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2240, while the sum is 26.

Adding to 15422001227 its reverse (72210022451), we get a palindrome (87632023678).

The spelling of 15422001227 in words is "fifteen billion, four hundred twenty-two million, one thousand, two hundred twenty-seven".