42761222 has 24 divisors (see below), whose sum is σ = 79006104. Its totient is φ = 17247552.

The previous prime is 42761219. The next prime is 42761227. The reversal of 42761222 is 22216724.

It is a junction number, because it is equal to n+sod(n) for n = 42761191 and 42761200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42761227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11168 + ... + 14499.

It is an arithmetic number, because the mean of its divisors is an integer number (3291921).

Almost surely, 2^42761222 is an apocalyptic number.

42761222 is a deficient number, since it is larger than the sum of its proper divisors (36244882).

42761222 is a wasteful number, since it uses less digits than its factorization.

42761222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25700 (or 25693 counting only the distinct ones).

The product of its digits is 2688, while the sum is 26.

The square root of 42761222 is about 6539.2065267890. The cubic root of 42761222 is about 349.6901257322.

Adding to 42761222 its reverse (22216724), we get a palindrome (64977946).

The spelling of 42761222 in words is "forty-two million, seven hundred sixty-one thousand, two hundred twenty-two".