1225604047340 has 12 divisors (see below), whose sum is σ = 2573768499456. Its totient is φ = 490241618928.

The previous prime is 1225604047319. The next prime is 1225604047453. The reversal of 1225604047340 is 437404065221.

It is a happy number.

It is a super-2 number, since 2×1225604047340² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1225604047294 and 1225604047303.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30640101164 + ... + 30640101203.

It is an arithmetic number, because the mean of its divisors is an integer number (214480708288).

Almost surely, 2^{1225604047340} is an apocalyptic number.

1225604047340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1225604047340 is an abundant number, since it is smaller than the sum of its proper divisors (1348164452116).

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

1225604047340 is a wasteful number, since it uses less digits than its factorization.

1225604047340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61280202376 (or 61280202374 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 38.

The spelling of 1225604047340 in words is "one trillion, two hundred twenty-five billion, six hundred four million, forty-seven thousand, three hundred forty".