2206401252 has 48 divisors (see below), whose sum is σ = 5650804992. Its totient is φ = 664498080.

The previous prime is 2206401233. The next prime is 2206401259. The reversal of 2206401252 is 2521046022.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2206401259) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 29758 + ... + 72789.

It is an arithmetic number, because the mean of its divisors is an integer number (117725104).

Almost surely, 2^2206401252 is an apocalyptic number.

2206401252 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2206401252 is an abundant number, since it is smaller than the sum of its proper divisors (3444403740).

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

2206401252 is a wasteful number, since it uses less digits than its factorization.

2206401252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102728 (or 102726 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 2206401252 is about 46972.3456088793. The cubic root of 2206401252 is about 1301.8516516878.

Adding to 2206401252 its reverse (2521046022), we get a palindrome (4727447274).

The spelling of 2206401252 in words is "two billion, two hundred six million, four hundred one thousand, two hundred fifty-two".