42217562 has 32 divisors (see below), whose sum is σ = 70917120. Its totient is φ = 18753280.

The previous prime is 42217547. The next prime is 42217583. The reversal of 42217562 is 26571224.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45887 + ... + 46797.

It is an arithmetic number, because the mean of its divisors is an integer number (2216160).

Almost surely, 2^42217562 is an apocalyptic number.

42217562 is a deficient number, since it is larger than the sum of its proper divisors (28699558).

42217562 is a wasteful number, since it uses less digits than its factorization.

42217562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1006.

The product of its digits is 6720, while the sum is 29.

The square root of 42217562 is about 6497.5042901102. The cubic root of 42217562 is about 348.2018305584.

Adding to 42217562 its reverse (26571224), we get a palindrome (68788786).

The spelling of 42217562 in words is "forty-two million, two hundred seventeen thousand, five hundred sixty-two".