71154422 has 16 divisors (see below), whose sum is σ = 109721040. Its totient is φ = 34588512.

The previous prime is 71154409. The next prime is 71154427. The reversal of 71154422 is 22445117.

It is a junction number, because it is equal to n+sod(n) for n = 71154391 and 71154400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71154427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17888 + ... + 21500.

It is an arithmetic number, because the mean of its divisors is an integer number (6857565).

Almost surely, 2^71154422 is an apocalyptic number.

71154422 is a deficient number, since it is larger than the sum of its proper divisors (38566618).

71154422 is a wasteful number, since it uses less digits than its factorization.

71154422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3887.

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

The square root of 71154422 is about 8435.3080560226. The cubic root of 71154422 is about 414.3817610163.

Adding to 71154422 its reverse (22445117), we get a palindrome (93599539).

The spelling of 71154422 in words is "seventy-one million, one hundred fifty-four thousand, four hundred twenty-two".