42242210 has 16 divisors (see below), whose sum is σ = 76464000. Its totient is φ = 16801776.

The previous prime is 42242173. The next prime is 42242251. The reversal of 42242210 is 1224224.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10010 + ... + 13589.

It is an arithmetic number, because the mean of its divisors is an integer number (4779000).

Almost surely, 2^42242210 is an apocalyptic number.

42242210 is a deficient number, since it is larger than the sum of its proper divisors (34221790).

42242210 is a wasteful number, since it uses less digits than its factorization.

42242210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23785.

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 42242210 is about 6499.4007416069. The cubic root of 42242210 is about 348.2695812654.

Adding to 42242210 its reverse (1224224), we get a palindrome (43466434).

The spelling of 42242210 in words is "forty-two million, two hundred forty-two thousand, two hundred ten".