1225662226 has 16 divisors (see below), whose sum is σ = 2031277824. Its totient is φ = 551704384.

The previous prime is 1225662223. The next prime is 1225662227. The reversal of 1225662226 is 6222665221.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a junction number, because it is equal to n+sod(n) for n = 1225662191 and 1225662200.

It is not an unprimeable number, because it can be changed into a prime (1225662223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 782890 + ... + 784453.

It is an arithmetic number, because the mean of its divisors is an integer number (126954864).

Almost surely, 2^1225662226 is an apocalyptic number.

1225662226 is a deficient number, since it is larger than the sum of its proper divisors (805615598).

1225662226 is a wasteful number, since it uses less digits than its factorization.

1225662226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1567385.

The product of its digits is 34560, while the sum is 34.

The square root of 1225662226 is about 35009.4590932222. The cubic root of 1225662226 is about 1070.1802549554.

The spelling of 1225662226 in words is "one billion, two hundred twenty-five million, six hundred sixty-two thousand, two hundred twenty-six".