42220024 has 32 divisors (see below), whose sum is σ = 98697600. Its totient is φ = 16449120.

The previous prime is 42219979. The next prime is 42220081. The reversal of 42220024 is 42002224.

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, 33654 + ... + 34885.

It is an arithmetic number, because the mean of its divisors is an integer number (3084300).

Almost surely, 2^42220024 is an apocalyptic number.

42220024 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

42220024 is an abundant number, since it is smaller than the sum of its proper divisors (56477576).

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

42220024 is a wasteful number, since it uses less digits than its factorization.

42220024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68563 (or 68559 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 42220024 is about 6497.6937447067. The cubic root of 42220024 is about 348.2085991179.

Adding to 42220024 its reverse (42002224), we get a palindrome (84222248).

It can be divided in two parts, 422200 and 24, that added together give a palindrome (422224).

The spelling of 42220024 in words is "forty-two million, two hundred twenty thousand, twenty-four".