42220462 has 8 divisors (see below), whose sum is σ = 65514600. Its totient is φ = 20382264.

The previous prime is 42220393. The next prime is 42220463. The reversal of 42220462 is 26402224.

42220462 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×42220462² = 3565134822986888, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42220463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 363912 + ... + 364027.

It is an arithmetic number, because the mean of its divisors is an integer number (8189325).

Almost surely, 2^42220462 is an apocalyptic number.

42220462 is a deficient number, since it is larger than the sum of its proper divisors (23294138).

42220462 is a wasteful number, since it uses less digits than its factorization.

42220462 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 727970.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 42220462 is about 6497.7274488855. The cubic root of 42220462 is about 348.2098032451.

Adding to 42220462 its reverse (26402224), we get a palindrome (68622686).

The spelling of 42220462 in words is "forty-two million, two hundred twenty thousand, four hundred sixty-two".