42713222 has 4 divisors (see below), whose sum is σ = 64069836. Its totient is φ = 21356610.

The previous prime is 42713213. The next prime is 42713239. The reversal of 42713222 is 22231724.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10678304 + ... + 10678307.

It is an arithmetic number, because the mean of its divisors is an integer number (16017459).

Almost surely, 2^42713222 is an apocalyptic number.

42713222 is a deficient number, since it is larger than the sum of its proper divisors (21356614).

42713222 is a wasteful number, since it uses less digits than its factorization.

42713222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21356613.

The product of its digits is 1344, while the sum is 23.

The square root of 42713222 is about 6535.5353261994. The cubic root of 42713222 is about 349.5592329149.

Adding to 42713222 its reverse (22231724), we get a palindrome (64944946).

The spelling of 42713222 in words is "forty-two million, seven hundred thirteen thousand, two hundred twenty-two".