2219216145 has 8 divisors (see below), whose sum is σ = 3550745856. Its totient is φ = 1183581936.

The previous prime is 2219216141. The next prime is 2219216171. The reversal of 2219216145 is 5416129122.

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

It is not a de Polignac number, because 2219216145 - 2² = 2219216141 is a prime.

It is a super-2 number, since 2×2219216145² = 9849840596457322050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2219216141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73973857 + ... + 73973886.

It is an arithmetic number, because the mean of its divisors is an integer number (443843232).

Almost surely, 2^2219216145 is an apocalyptic number.

It is an amenable number.

2219216145 is a deficient number, since it is larger than the sum of its proper divisors (1331529711).

2219216145 is a wasteful number, since it uses less digits than its factorization.

2219216145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147947751.

The product of its digits is 8640, while the sum is 33.

The square root of 2219216145 is about 47108.5570252369. The cubic root of 2219216145 is about 1304.3671951426.

The spelling of 2219216145 in words is "two billion, two hundred nineteen million, two hundred sixteen thousand, one hundred forty-five".