2251192068 has 192 divisors, whose sum is σ = 6299596800. Its totient is φ = 693601920.

The previous prime is 2251192063. The next prime is 2251192081. The reversal of 2251192068 is 8602911522.

It is a super-2 number, since 2×2251192068² = 10135731454052233248, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (2251192063) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12576403 + ... + 12576581.

It is an arithmetic number, because the mean of its divisors is an integer number (32810400).

Almost surely, 2^2251192068 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 2251192068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3149798400).

2251192068 is an abundant number, since it is smaller than the sum of its proper divisors (4048404732).

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

2251192068 is a wasteful number, since it uses less digits than its factorization.

2251192068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359 (or 351 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 2251192068 is about 47446.7287386602. The cubic root of 2251192068 is about 1310.6020712074.

The spelling of 2251192068 in words is "two billion, two hundred fifty-one million, one hundred ninety-two thousand, sixty-eight".