2219394481 has 8 divisors (see below), whose sum is σ = 2229365664. Its totient is φ = 2209438560.

The previous prime is 2219394461. The next prime is 2219394487. The reversal of 2219394481 is 1844939122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2219394481 - 2¹⁹ = 2218870193 is a prime.

It is a super-2 number, since 2×2219394481² = 9851423724586518722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2219394487) 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, 364246 + ... + 370288.

It is an arithmetic number, because the mean of its divisors is an integer number (278670708).

Almost surely, 2^2219394481 is an apocalyptic number.

It is an amenable number.

2219394481 is a deficient number, since it is larger than the sum of its proper divisors (9971183).

2219394481 is a wasteful number, since it uses less digits than its factorization.

2219394481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7631.

The product of its digits is 124416, while the sum is 43.

The square root of 2219394481 is about 47110.4498068104. The cubic root of 2219394481 is about 1304.4021338149.

The spelling of 2219394481 in words is "two billion, two hundred nineteen million, three hundred ninety-four thousand, four hundred eighty-one".