1225222225308 has 36 divisors (see below), whose sum is σ = 3203885706840. Its totient is φ = 394324394016.

The previous prime is 1225222225193. The next prime is 1225222225309. The reversal of 1225222225308 is 8035222225221.

1225222225308 is a `hidden beast` number, since 122 + 5 + 2 + 2 + 2 + 225 + 308 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1225222225309) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 586791210 + ... + 586793297.

It is an arithmetic number, because the mean of its divisors is an integer number (88996825190).

Almost surely, 2^{1225222225308} is an apocalyptic number.

1225222225308 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1225222225308 is an abundant number, since it is smaller than the sum of its proper divisors (1978663481532).

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

1225222225308 is a wasteful number, since it uses less digits than its factorization.

1225222225308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1173584546 (or 1173584541 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 36.

The spelling of 1225222225308 in words is "one trillion, two hundred twenty-five billion, two hundred twenty-two million, two hundred twenty-five thousand, three hundred eight".