1226225455 has 32 divisors (see below), whose sum is σ = 1814335488. Its totient is φ = 774748800.

The previous prime is 1226225447. The next prime is 1226225459. The reversal of 1226225455 is 5545226221.

It is not a de Polignac number, because 1226225455 - 2³ = 1226225447 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1226225455.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1226225459) 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, 284970 + ... + 289240.

It is an arithmetic number, because the mean of its divisors is an integer number (56697984).

Almost surely, 2^1226225455 is an apocalyptic number.

1226225455 is a deficient number, since it is larger than the sum of its proper divisors (588110033).

1226225455 is a wasteful number, since it uses less digits than its factorization.

1226225455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4927.

The product of its digits is 48000, while the sum is 34.

The square root of 1226225455 is about 35017.5021239380. The cubic root of 1226225455 is about 1070.3441566235.

The spelling of 1226225455 in words is "one billion, two hundred twenty-six million, two hundred twenty-five thousand, four hundred fifty-five".