2228335872 has 144 divisors (see below), whose sum is σ = 7012064640. Its totient is φ = 614670336.

The previous prime is 2228335867. The next prime is 2228335891. The reversal of 2228335872 is 2785338222.

It is a happy number.

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

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 148758 + ... + 163050.

Almost surely, 2^2228335872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2228335872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3506032320).

2228335872 is an abundant number, since it is smaller than the sum of its proper divisors (4783728768).

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

2228335872 is a wasteful number, since it uses less digits than its factorization.

2228335872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14348 (or 14334 counting only the distinct ones).

The product of its digits is 322560, while the sum is 42.

The square root of 2228335872 is about 47205.2525890922. The cubic root of 2228335872 is about 1306.1514911115.

The spelling of 2228335872 in words is "two billion, two hundred twenty-eight million, three hundred thirty-five thousand, eight hundred seventy-two".