2216774367450 has 192 divisors, whose sum is σ = 6152756198400. Its totient is φ = 586856664000.

The previous prime is 2216774367443. The next prime is 2216774367469. The reversal of 2216774367450 is 547634776122.

2216774367450 is a `hidden beast` number, since 2 + 2 + 1 + 67 + 74 + 3 + 67 + 450 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 517573009 + ... + 517577291.

It is an arithmetic number, because the mean of its divisors is an integer number (32045605200).

Almost surely, 2^{2216774367450} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2216774367450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3076378099200).

2216774367450 is an abundant number, since it is smaller than the sum of its proper divisors (3935981830950).

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

2216774367450 is a wasteful number, since it uses less digits than its factorization.

2216774367450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6994 (or 6983 counting only the distinct ones).

The product of its (nonzero) digits is 11854080, while the sum is 54.

The spelling of 2216774367450 in words is "two trillion, two hundred sixteen billion, seven hundred seventy-four million, three hundred sixty-seven thousand, four hundred fifty".