42220582 has 8 divisors (see below), whose sum is σ = 64803816. Its totient is φ = 20619312.

The previous prime is 42220579. The next prime is 42220583. The reversal of 42220582 is 28502224.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42220583) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 245383 + ... + 245554.

It is an arithmetic number, because the mean of its divisors is an integer number (8100477).

Almost surely, 2^42220582 is an apocalyptic number.

42220582 is a deficient number, since it is larger than the sum of its proper divisors (22583234).

42220582 is a wasteful number, since it uses less digits than its factorization.

42220582 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490982.

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 42220582 is about 6497.7366828766. The cubic root of 42220582 is about 348.2101331416.

The spelling of 42220582 in words is "forty-two million, two hundred twenty thousand, five hundred eighty-two".