2194399350 has 336 divisors, whose sum is σ = 7206507504. Its totient is φ = 489888000.

The previous prime is 2194399327. The next prime is 2194399373. The reversal of 2194399350 is 539934912.

It is an interprime number because it is at equal distance from previous prime (2194399327) and next prime (2194399373).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 2194399296 and 2194399305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 167 ways as a sum of consecutive naturals, for example, 5212140 + ... + 5212560.

It is an arithmetic number, because the mean of its divisors is an integer number (21447939).

Almost surely, 2^2194399350 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2194399350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3603253752).

2194399350 is an abundant number, since it is smaller than the sum of its proper divisors (5012108154).

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

2194399350 is a wasteful number, since it uses less digits than its factorization.

2194399350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475 (or 455 counting only the distinct ones).

The product of its (nonzero) digits is 262440, while the sum is 45.

The square root of 2194399350 is about 46844.4164228780. The cubic root of 2194399350 is about 1299.4868487516.

The spelling of 2194399350 in words is "two billion, one hundred ninety-four million, three hundred ninety-nine thousand, three hundred fifty".