144822222 has 16 divisors (see below), whose sum is σ = 321827280. Its totient is φ = 48274056.

The previous prime is 144822217. The next prime is 144822229. The reversal of 144822222 is 222228441.

It is a Harshad number since it is a multiple of its sum of digits (27).

144822222 is a modest number, since divided by 22222 gives 1448 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144822229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1340893 + ... + 1341000.

It is an arithmetic number, because the mean of its divisors is an integer number (20114205).

Almost surely, 2^144822222 is an apocalyptic number.

144822222 is an abundant number, since it is smaller than the sum of its proper divisors (177005058).

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

144822222 is a wasteful number, since it uses less digits than its factorization.

144822222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2681904 (or 2681898 counting only the distinct ones).

The product of its digits is 4096, while the sum is 27.

The square root of 144822222 is about 12034.2104851128. The cubic root of 144822222 is about 525.1439931561.

The spelling of 144822222 in words is "one hundred forty-four million, eight hundred twenty-two thousand, two hundred twenty-two".