2219385420 has 360 divisors, whose sum is σ = 8231376384. Its totient is φ = 499032576.

The previous prime is 2219385419. The next prime is 2219385431. The reversal of 2219385420 is 245839122.

It is a happy number.

2219385420 is a `hidden beast` number, since 2 + 21 + 93 + 8 + 542 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 5794549 + ... + 5794931.

Almost surely, 2^2219385420 is an apocalyptic number.

2219385420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2219385420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4115688192).

2219385420 is an abundant number, since it is smaller than the sum of its proper divisors (6011990964).

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

2219385420 is a wasteful number, since it uses less digits than its factorization.

2219385420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491 (or 473 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 2219385420 is about 47110.3536390887. The cubic root of 2219385420 is about 1304.4003586755.

The spelling of 2219385420 in words is "two billion, two hundred nineteen million, three hundred eighty-five thousand, four hundred twenty".