2219474244100 has 81 divisors (see below), whose sum is σ = 5083736222271. Its totient is φ = 840956659200.

The previous prime is 2219474244083. The next prime is 2219474244103. The reversal of 2219474244100 is 14424749122.

It is a happy number.

The square root of 2219474244100 is 1489790.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 186249212356 + 2033225031744 = 431566^2 + 1425912^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2219474244103) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 283056180 + ... + 283064020.

Almost surely, 2^{2219474244100} is an apocalyptic number.

2219474244100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

2219474244100 is the 1489790-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2219474244100

2219474244100 is an abundant number, since it is smaller than the sum of its proper divisors (2864261978171).

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

2219474244100 is an frugal number, since it uses more digits than its factorization.

2219474244100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15734 (or 7867 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 40.

The spelling of 2219474244100 in words is "two trillion, two hundred nineteen billion, four hundred seventy-four million, two hundred forty-four thousand, one hundred".