1225680358 has 16 divisors (see below), whose sum is σ = 2108597760. Its totient is φ = 523433736.

The previous prime is 1225680343. The next prime is 1225680359. The reversal of 1225680358 is 8530865221.

It is a self number, because there is not a number n which added to its sum of digits gives 1225680358.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1225680359) 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, 150718 + ... + 158641.

It is an arithmetic number, because the mean of its divisors is an integer number (131787360).

Almost surely, 2^1225680358 is an apocalyptic number.

1225680358 is a deficient number, since it is larger than the sum of its proper divisors (882917402).

1225680358 is a wasteful number, since it uses less digits than its factorization.

1225680358 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309651.

The product of its (nonzero) digits is 115200, while the sum is 40.

The square root of 1225680358 is about 35009.7180508498. The cubic root of 1225680358 is about 1070.1855322148.

The spelling of 1225680358 in words is "one billion, two hundred twenty-five million, six hundred eighty thousand, three hundred fifty-eight".