1224211222350 has 144 divisors (see below), whose sum is σ = 3352109670000. Its totient is φ = 320200757760.

The previous prime is 1224211222337. The next prime is 1224211222391. The reversal of 1224211222350 is 532221124221.

1224211222350 is a `hidden beast` number, since 1 + 2 + 2 + 421 + 1 + 2 + 2 + 235 + 0 = 666.

It is a super-2 number, since 2×1224211222350² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 116597401 + ... + 116607899.

It is an arithmetic number, because the mean of its divisors is an integer number (23278539375).

Almost surely, 2^{1224211222350} is an apocalyptic number.

1224211222350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1224211222350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1676054835000).

1224211222350 is an abundant number, since it is smaller than the sum of its proper divisors (2127898447650).

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

1224211222350 is a wasteful number, since it uses less digits than its factorization.

1224211222350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15459 (or 15451 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

Adding to 1224211222350 its reverse (532221124221), we get a palindrome (1756432346571).

The spelling of 1224211222350 in words is "one trillion, two hundred twenty-four billion, two hundred eleven million, two hundred twenty-two thousand, three hundred fifty".