1222450300240 has 40 divisors (see below), whose sum is σ = 3060827485128. Its totient is φ = 451366264320.

The previous prime is 1222450300237. The next prime is 1222450300249. The reversal of 1222450300240 is 420030542221.

It can be written as a sum of positive squares in 4 ways, for example, as 60685366336 + 1161764933904 = 246344^2 + 1077852^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×1222450300240² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222450300249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 587715451 + ... + 587717530.

Almost surely, 2^{1222450300240} is an apocalyptic number.

1222450300240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1222450300240 is an abundant number, since it is smaller than the sum of its proper divisors (1838377184888).

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

1222450300240 is a wasteful number, since it uses less digits than its factorization.

1222450300240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1175433007 (or 1175433001 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 1222450300240 its reverse (420030542221), we get a palindrome (1642480842461).

The spelling of 1222450300240 in words is "one trillion, two hundred twenty-two billion, four hundred fifty million, three hundred thousand, two hundred forty".