2272563384 has 128 divisors (see below), whose sum is σ = 7181744640. Its totient is φ = 583137792.

The previous prime is 2272563367. The next prime is 2272563427. The reversal of 2272563384 is 4833652722.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 66747 + ... + 94869.

It is an arithmetic number, because the mean of its divisors is an integer number (56107380).

Almost surely, 2^2272563384 is an apocalyptic number.

2272563384 is a gapful number since it is divisible by the number (24) 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 2272563384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3590872320).

2272563384 is an abundant number, since it is smaller than the sum of its proper divisors (4909181256).

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

2272563384 is a wasteful number, since it uses less digits than its factorization.

2272563384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28189 (or 28185 counting only the distinct ones).

The product of its digits is 483840, while the sum is 42.

The square root of 2272563384 is about 47671.4105518182. The cubic root of 2272563384 is about 1314.7363433103.

The spelling of 2272563384 in words is "two billion, two hundred seventy-two million, five hundred sixty-three thousand, three hundred eighty-four".