2223017388 has 144 divisors (see below), whose sum is σ = 6008052960. Its totient is φ = 691891200.

The previous prime is 2223017371. The next prime is 2223017411. The reversal of 2223017388 is 8837103222.

It is a happy number.

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

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 47 ways as a sum of consecutive naturals, for example, 4266568 + ... + 4267088.

It is an arithmetic number, because the mean of its divisors is an integer number (41722590).

Almost surely, 2^2223017388 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 2223017388, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3004026480).

2223017388 is an abundant number, since it is smaller than the sum of its proper divisors (3785035572).

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

2223017388 is a wasteful number, since it uses less digits than its factorization.

2223017388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 688 (or 683 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 2223017388 is about 47148.8853314689. The cubic root of 2223017388 is about 1305.1115102670. Note that the first 3 decimals are identical.

The spelling of 2223017388 in words is "two billion, two hundred twenty-three million, seventeen thousand, three hundred eighty-eight".