1222303673440 has 48 divisors (see below), whose sum is σ = 2887808626080. Its totient is φ = 488901795840.

The previous prime is 1222303673417. The next prime is 1222303673441. The reversal of 1222303673440 is 443763032221.

It is a super-2 number, since 2×1222303673440² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1222303673440.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222303673441) 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, 4223296 + ... + 4503424.

It is an arithmetic number, because the mean of its divisors is an integer number (60162679710).

Almost surely, 2^{1222303673440} is an apocalyptic number.

1222303673440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1222303673440 is an abundant number, since it is smaller than the sum of its proper divisors (1665504952640).

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

1222303673440 is a wasteful number, since it uses less digits than its factorization.

1222303673440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307415 (or 307407 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 37.

The spelling of 1222303673440 in words is "one trillion, two hundred twenty-two billion, three hundred three million, six hundred seventy-three thousand, four hundred forty".