442224620220 has 48 divisors (see below), whose sum is σ = 1238278970880. Its totient is φ = 117921800256.

The previous prime is 442224620207. The next prime is 442224620221. The reversal of 442224620220 is 22026422244.

It is a super-2 number, since 2×442224620220² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442224620221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1499049 + ... + 1769631.

It is an arithmetic number, because the mean of its divisors is an integer number (25797478560).

Almost surely, 2^442224620220 is an apocalyptic number.

It is an amenable number.

442224620220 is an abundant number, since it is smaller than the sum of its proper divisors (796054350660).

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

442224620220 is a wasteful number, since it uses less digits than its factorization.

442224620220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297834 (or 297832 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 30.

The spelling of 442224620220 in words is "four hundred forty-two billion, two hundred twenty-four million, six hundred twenty thousand, two hundred twenty".