42215064 has 32 divisors (see below), whose sum is σ = 106080000. Its totient is φ = 13999392.

The previous prime is 42215057. The next prime is 42215081. The reversal of 42215064 is 46051224.

It is a super-2 number, since 2×42215064² = 3564223257048192, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent 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, 357 + ... + 9195.

It is an arithmetic number, because the mean of its divisors is an integer number (3315000).

Almost surely, 2^42215064 is an apocalyptic number.

It is an amenable number.

42215064 is an abundant number, since it is smaller than the sum of its proper divisors (63864936).

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

42215064 is a wasteful number, since it uses less digits than its factorization.

42215064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9047 (or 9043 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 42215064 is about 6497.3120596136. The cubic root of 42215064 is about 348.1949627583.

Adding to 42215064 its reverse (46051224), we get a palindrome (88266288).

The spelling of 42215064 in words is "forty-two million, two hundred fifteen thousand, sixty-four".