42221410 has 32 divisors (see below), whose sum is σ = 94753152. Its totient is φ = 13159680.

The previous prime is 42221407. The next prime is 42221437. The reversal of 42221410 is 1412224.

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, 26647 + ... + 28186.

It is an arithmetic number, because the mean of its divisors is an integer number (2961036).

Almost surely, 2^42221410 is an apocalyptic number.

42221410 is an abundant number, since it is smaller than the sum of its proper divisors (52531742).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42221410 is a wasteful number, since it uses less digits than its factorization.

42221410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54858.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 42221410 is about 6497.8003970575. The cubic root of 42221410 is about 348.2124094098.

Adding to 42221410 its reverse (1412224), we get a palindrome (43633634).

It can be divided in two parts, 422214 and 10, that added together give a palindrome (422224).

The spelling of 42221410 in words is "forty-two million, two hundred twenty-one thousand, four hundred ten".