144212022 has 32 divisors (see below), whose sum is σ = 321552000. Its totient is φ = 47908584.

The previous prime is 144212021. The next prime is 144212053. The reversal of 144212022 is 220212441.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 144211986 and 144212004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144212021) 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, 12229 + ... + 20927.

It is an arithmetic number, because the mean of its divisors is an integer number (10048500).

Almost surely, 2^144212022 is an apocalyptic number.

144212022 is an abundant number, since it is smaller than the sum of its proper divisors (177339978).

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

144212022 is a wasteful number, since it uses less digits than its factorization.

144212022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9017 (or 9011 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 144212022 is about 12008.8310005595. The cubic root of 144212022 is about 524.4054002973.

Adding to 144212022 its reverse (220212441), we get a palindrome (364424463).

The spelling of 144212022 in words is "one hundred forty-four million, two hundred twelve thousand, twenty-two".