2219009958 has 64 divisors (see below), whose sum is σ = 5431795200. Its totient is φ = 665880480.

The previous prime is 2219009957. The next prime is 2219009971. The reversal of 2219009958 is 8599009122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2219009957) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43048 + ... + 79316.

It is an arithmetic number, because the mean of its divisors is an integer number (84871800).

Almost surely, 2^2219009958 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2219009958, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2715897600).

2219009958 is an abundant number, since it is smaller than the sum of its proper divisors (3212785242).

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

2219009958 is a wasteful number, since it uses less digits than its factorization.

2219009958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36394 (or 36388 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 45.

The square root of 2219009958 is about 47106.3685503351. The cubic root of 2219009958 is about 1304.3267977123.

The spelling of 2219009958 in words is "two billion, two hundred nineteen million, nine thousand, nine hundred fifty-eight".