2400345222 has 16 divisors (see below), whose sum is σ = 5237116992. Its totient is φ = 727377320.

The previous prime is 2400345197. The next prime is 2400345223. The reversal of 2400345222 is 2225430042.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2400345192 and 2400345201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2400345223) 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, 18184368 + ... + 18184499.

It is an arithmetic number, because the mean of its divisors is an integer number (327319812).

Almost surely, 2^2400345222 is an apocalyptic number.

2400345222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2400345222 is an abundant number, since it is smaller than the sum of its proper divisors (2836771770).

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

2400345222 is a wasteful number, since it uses less digits than its factorization.

2400345222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36368883.

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 2400345222 is about 48993.3181362520. The cubic root of 2400345222 is about 1338.9300923593.

Adding to 2400345222 its reverse (2225430042), we get a palindrome (4625775264).

The spelling of 2400345222 in words is "two billion, four hundred million, three hundred forty-five thousand, two hundred twenty-two".