2219782442 has 16 divisors (see below), whose sum is σ = 3343135680. Its totient is φ = 1105412352.

The previous prime is 2219782393. The next prime is 2219782451. The reversal of 2219782442 is 2442879122.

It is a super-2 number, since 2×2219782442² = 9854868179622966728, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2219782442.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 804938 + ... + 807690.

It is an arithmetic number, because the mean of its divisors is an integer number (208945980).

Almost surely, 2^2219782442 is an apocalyptic number.

2219782442 is a deficient number, since it is larger than the sum of its proper divisors (1123353238).

2219782442 is a wasteful number, since it uses less digits than its factorization.

2219782442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4237.

The product of its digits is 129024, while the sum is 41.

The square root of 2219782442 is about 47114.5671952953. The cubic root of 2219782442 is about 1304.4781346756.

The spelling of 2219782442 in words is "two billion, two hundred nineteen million, seven hundred eighty-two thousand, four hundred forty-two".