2222400512 has 88 divisors (see below), whose sum is σ = 4726113600. Its totient is φ = 1041555456.

The previous prime is 2222400511. The next prime is 2222400541. The reversal of 2222400512 is 2150042222.

It is a super-3 number, since 3×2222400512³ (a number of 29 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2222400511) 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, 2003414 + ... + 2004522.

Almost surely, 2^2222400512 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 2222400512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2363056800).

2222400512 is an abundant number, since it is smaller than the sum of its proper divisors (2503713088).

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

2222400512 is a wasteful number, since it uses less digits than its factorization.

2222400512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1251 (or 1233 counting only the distinct ones).

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

The square root of 2222400512 is about 47142.3430898380. The cubic root of 2222400512 is about 1304.9907785004.

Adding to 2222400512 its reverse (2150042222), we get a palindrome (4372442734).

The spelling of 2222400512 in words is "two billion, two hundred twenty-two million, four hundred thousand, five hundred twelve".