1222424563950 has 384 divisors, whose sum is σ = 3569200128000. Its totient is φ = 307214208000.

The previous prime is 1222424563939. The next prime is 1222424563963. The reversal of 1222424563950 is 593654242221.

1222424563950 is a `hidden beast` number, since 1 + 2 + 2 + 2 + 4 + 2 + 4 + 5 + 639 + 5 + 0 = 666.

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 = 1222424563896 and 1222424563905.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 262941226 + ... + 262945874.

It is an arithmetic number, because the mean of its divisors is an integer number (9294792000).

Almost surely, 2^{1222424563950} is an apocalyptic number.

1222424563950 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 1222424563950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1784600064000).

1222424563950 is an abundant number, since it is smaller than the sum of its proper divisors (2346775564050).

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

1222424563950 is a wasteful number, since it uses less digits than its factorization.

1222424563950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4865 (or 4854 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 45.

The spelling of 1222424563950 in words is "one trillion, two hundred twenty-two billion, four hundred twenty-four million, five hundred sixty-three thousand, nine hundred fifty".