144222021400 has 48 divisors (see below), whose sum is σ = 338571745200. Its totient is φ = 57128714880.

The previous prime is 144222021373. The next prime is 144222021431. The reversal of 144222021400 is 4120222441.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3479935 + ... + 3521134.

It is an arithmetic number, because the mean of its divisors is an integer number (7053578025).

Almost surely, 2^144222021400 is an apocalyptic number.

144222021400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144222021400 is an abundant number, since it is smaller than the sum of its proper divisors (194349723800).

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

144222021400 is a wasteful number, since it uses less digits than its factorization.

144222021400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7001188 (or 7001179 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 144222021400 its reverse (4120222441), we get a palindrome (148342243841).

The spelling of 144222021400 in words is "one hundred forty-four billion, two hundred twenty-two million, twenty-one thousand, four hundred".