1402220221140 has 384 divisors, whose sum is σ = 4315958760960. Its totient is φ = 338809651200.

The previous prime is 1402220221117. The next prime is 1402220221141. The reversal of 1402220221140 is 411220222041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1402220221141) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 631345230 + ... + 631347450.

It is an arithmetic number, because the mean of its divisors is an integer number (11239475940).

Almost surely, 2^{1402220221140} is an apocalyptic number.

1402220221140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1402220221140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2157979380480).

1402220221140 is an abundant number, since it is smaller than the sum of its proper divisors (2913738539820).

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

1402220221140 is a wasteful number, since it uses less digits than its factorization.

1402220221140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2523 (or 2521 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 1402220221140 its reverse (411220222041), we get a palindrome (1813440443181).

Subtracting from 1402220221140 its reverse (411220222041), we obtain a palindrome (990999999099).

The spelling of 1402220221140 in words is "one trillion, four hundred two billion, two hundred twenty million, two hundred twenty-one thousand, one hundred forty".