1222590409452 has 96 divisors (see below), whose sum is σ = 3178197039360. Its totient is φ = 406435760640.

The previous prime is 1222590409433. The next prime is 1222590409459. The reversal of 1222590409452 is 2549040952221.

1222590409452 is a `hidden beast` number, since 1 + 2 + 2 + 2 + 590 + 4 + 0 + 9 + 4 + 52 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1222590409398 and 1222590409407.

It is not an unprimeable number, because it can be changed into a prime (1222590409459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 160799883 + ... + 160807485.

It is an arithmetic number, because the mean of its divisors is an integer number (33106219160).

Almost surely, 2^{1222590409452} is an apocalyptic number.

1222590409452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1222590409452 is an abundant number, since it is smaller than the sum of its proper divisors (1955606629908).

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

1222590409452 is a wasteful number, since it uses less digits than its factorization.

1222590409452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11420 (or 11412 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 45.

The spelling of 1222590409452 in words is "one trillion, two hundred twenty-two billion, five hundred ninety million, four hundred nine thousand, four hundred fifty-two".