1225224352004 has 24 divisors (see below), whose sum is σ = 2148189203160. Its totient is φ = 611456289536.

The previous prime is 1225224352003. The next prime is 1225224352013. The reversal of 1225224352004 is 4002534225221.

It can be written as a sum of positive squares in 4 ways, for example, as 144705681604 + 1080518670400 = 380402^2 + 1039480^2 .

It is not an unprimeable number, because it can be changed into a prime (1225224352003) 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, 20082554 + ... + 20143470.

It is an arithmetic number, because the mean of its divisors is an integer number (89507883465).

Almost surely, 2^{1225224352004} is an apocalyptic number.

It is an amenable number.

1225224352004 is a deficient number, since it is larger than the sum of its proper divisors (922964851156).

1225224352004 is a wasteful number, since it uses less digits than its factorization.

1225224352004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70327 (or 70325 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 32.

Adding to 1225224352004 its reverse (4002534225221), we get a palindrome (5227758577225).

The spelling of 1225224352004 in words is "one trillion, two hundred twenty-five billion, two hundred twenty-four million, three hundred fifty-two thousand, four".