422444022 has 128 divisors (see below), whose sum is σ = 1165667328. Its totient is φ = 98496000.

The previous prime is 422444017. The next prime is 422444023. The reversal of 422444022 is 220444224.

It is a junction number, because it is equal to n+sod(n) for n = 422443983 and 422444001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422444023) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 221272 + ... + 223172.

It is an arithmetic number, because the mean of its divisors is an integer number (9106776).

Almost surely, 2^422444022 is an apocalyptic number.

422444022 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 422444022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (582833664).

422444022 is an abundant number, since it is smaller than the sum of its proper divisors (743223306).

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

422444022 is a wasteful number, since it uses less digits than its factorization.

422444022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1974.

The product of its (nonzero) digits is 4096, while the sum is 24.

The square root of 422444022 is about 20553.4430692281. The cubic root of 422444022 is about 750.3370467322.

Adding to 422444022 its reverse (220444224), we get a palindrome (642888246).

It can be divided in two parts, 422 and 444022, that added together give a palindrome (444444).

The spelling of 422444022 in words is "four hundred twenty-two million, four hundred forty-four thousand, twenty-two".