71434222 has 4 divisors (see below), whose sum is σ = 107151336. Its totient is φ = 35717110.

The previous prime is 71434217. The next prime is 71434229. The reversal of 71434222 is 22243417.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22243417 = 7 ⋅3177631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71434229) 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 as a sum of consecutive naturals, namely, 17858554 + ... + 17858557.

It is an arithmetic number, because the mean of its divisors is an integer number (26787834).

Almost surely, 2^71434222 is an apocalyptic number.

71434222 is a deficient number, since it is larger than the sum of its proper divisors (35717114).

71434222 is a wasteful number, since it uses less digits than its factorization.

71434222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35717113.

The product of its digits is 2688, while the sum is 25.

The square root of 71434222 is about 8451.8768329880. The cubic root of 71434222 is about 414.9242073809.

Adding to 71434222 its reverse (22243417), we get a palindrome (93677639).

The spelling of 71434222 in words is "seventy-one million, four hundred thirty-four thousand, two hundred twenty-two".