2351122956 has 192 divisors, whose sum is σ = 7745167360. Its totient is φ = 599996160.

The previous prime is 2351122937. The next prime is 2351122973. The reversal of 2351122956 is 6592211532.

It is a happy number.

2351122956 is a `hidden beast` number, since 2 + 351 + 12 + 295 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 2351122956.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 300810 + ... + 308526.

Almost surely, 2^2351122956 is an apocalyptic number.

2351122956 is a gapful number since it is divisible by the number (26) 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 2351122956, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3872583680).

2351122956 is an abundant number, since it is smaller than the sum of its proper divisors (5394044404).

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

2351122956 is a wasteful number, since it uses less digits than its factorization.

2351122956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7781 (or 7773 counting only the distinct ones).

The product of its digits is 32400, while the sum is 36.

The square root of 2351122956 is about 48488.3795975902. The cubic root of 2351122956 is about 1329.7146307677.

The spelling of 2351122956 in words is "two billion, three hundred fifty-one million, one hundred twenty-two thousand, nine hundred fifty-six".