4221144313144 has 32 divisors (see below), whose sum is σ = 8713371308400. Its totient is φ = 1901099185920.

The previous prime is 4221144313091. The next prime is 4221144313147. The reversal of 4221144313144 is 4413134411224.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4221144313147) 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, 220025037 + ... + 220044220.

Almost surely, 2^{4221144313144} is an apocalyptic number.

4221144313144 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

4221144313144 is an abundant number, since it is smaller than the sum of its proper divisors (4492226995256).

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

4221144313144 is a wasteful number, since it uses less digits than its factorization.

4221144313144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440069383 (or 440069379 counting only the distinct ones).

The product of its digits is 36864, while the sum is 34.

Adding to 4221144313144 its reverse (4413134411224), we get a palindrome (8634278724368).

The spelling of 4221144313144 in words is "four trillion, two hundred twenty-one billion, one hundred forty-four million, three hundred thirteen thousand, one hundred forty-four".