244022142 has 96 divisors (see below), whose sum is σ = 624015360. Its totient is φ = 62225280.

The previous prime is 244022113. The next prime is 244022179. The reversal of 244022142 is 241220442.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 219484 + ... + 220592.

It is an arithmetic number, because the mean of its divisors is an integer number (6500160).

Almost surely, 2^244022142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 244022142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (312007680).

244022142 is an abundant number, since it is smaller than the sum of its proper divisors (379993218).

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

244022142 is a wasteful number, since it uses less digits than its factorization.

244022142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1178 (or 1165 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 244022142 is about 15621.2080838839. The cubic root of 244022142 is about 624.8988781465.

Adding to 244022142 its reverse (241220442), we get a palindrome (485242584).

The spelling of 244022142 in words is "two hundred forty-four million, twenty-two thousand, one hundred forty-two".