2219558144 has 36 divisors (see below), whose sum is σ = 4623086496. Its totient is φ = 1061524992.

The previous prime is 2219558137. The next prime is 2219558147. The reversal of 2219558144 is 4418559122.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2219558147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 182594 + ... + 194369.

Almost surely, 2^2219558144 is an apocalyptic number.

It is an amenable number.

2219558144 is an abundant number, since it is smaller than the sum of its proper divisors (2403528352).

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

2219558144 is an equidigital number, since it uses as much as digits as its factorization.

2219558144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377002 (or 376988 counting only the distinct ones).

The product of its digits is 115200, while the sum is 41.

The square root of 2219558144 is about 47112.1867885582. The cubic root of 2219558144 is about 1304.4341961816.

The spelling of 2219558144 in words is "two billion, two hundred nineteen million, five hundred fifty-eight thousand, one hundred forty-four".