2222251040 has 48 divisors (see below), whose sum is σ = 5316554880. Its totient is φ = 877643520.

The previous prime is 2222250977. The next prime is 2222251049. The reversal of 2222251040 is 401522222.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (2222251049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75266 + ... + 100545.

It is an arithmetic number, because the mean of its divisors is an integer number (110761560).

Almost surely, 2^2222251040 is an apocalyptic number.

2222251040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2222251040 is an abundant number, since it is smaller than the sum of its proper divisors (3094303840).

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

2222251040 is a wasteful number, since it uses less digits than its factorization.

2222251040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175905 (or 175897 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 2222251040 is about 47140.7577368035. The cubic root of 2222251040 is about 1304.9615212545.

Adding to 2222251040 its reverse (401522222), we get a palindrome (2623773262).

The spelling of 2222251040 in words is "two billion, two hundred twenty-two million, two hundred fifty-one thousand, forty".