2223817240 has 128 divisors (see below), whose sum is σ = 5337446400. Its totient is φ = 832527360.

The previous prime is 2223817231. The next prime is 2223817241. The reversal of 2223817240 is 427183222.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2223817241) 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, 9544164 + ... + 9544396.

It is an arithmetic number, because the mean of its divisors is an integer number (41698800).

Almost surely, 2^2223817240 is an apocalyptic number.

2223817240 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 2223817240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2668723200).

2223817240 is an abundant number, since it is smaller than the sum of its proper divisors (3113629160).

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

2223817240 is a wasteful number, since it uses less digits than its factorization.

2223817240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497 (or 493 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 2223817240 is about 47157.3667627869. The cubic root of 2223817240 is about 1305.2680198956.

The spelling of 2223817240 in words is "two billion, two hundred twenty-three million, eight hundred seventeen thousand, two hundred forty".