144222996 has 24 divisors (see below), whose sum is σ = 354232480. Its totient is φ = 45544032.

The previous prime is 144222973. The next prime is 144222997. The reversal of 144222996 is 699222441.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144222997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 316051 + ... + 316506.

Almost surely, 2^144222996 is an apocalyptic number.

It is an amenable number.

144222996 is an abundant number, since it is smaller than the sum of its proper divisors (210009484).

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

144222996 is a wasteful number, since it uses less digits than its factorization.

144222996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 632583 (or 632581 counting only the distinct ones).

The product of its digits is 62208, while the sum is 39.

The square root of 144222996 is about 12009.2879056171. The cubic root of 144222996 is about 524.4187017286.

The spelling of 144222996 in words is "one hundred forty-four million, two hundred twenty-two thousand, nine hundred ninety-six".